NB OMS160 able Stand for LED / LCD / Plasma fits most 17″ to 30″ displays – Dual Screen model with Ergonomic design – Articulating stand with Rotation 360°, Swivel ±90° and Tilt angle +85° to -30° – Upright lift distance: 10” (260mm) – Maximum extension 21 ” (535mm) – Support load from 2 to 9 kg x 2 – Mounting VESA compliance 75×75, 100×100 mm Specifications: Specifications able Stand for LED / LCD / Plasma fits most 17″ to 30″ displays – Dual Screen model with Ergonomic design – Articulating stand with Rotation 360°, Swivel ±90° and Tilt angle +85° to -30° – Upright lift distance: 10” (260mm) – Maximum extension 21 ” (535mm) – Support load from 2 to 9 kg x 2 – Mounting VESA compliance 75×75, 100×100 mm PRODUCT CODE OMS160 BRAND Other COLOR Black
OEM-quality touchpad replacement (without flex cable) for MacBook Air 15″ (Model A2941, 2023)—in Space Gray finish—designed for precise Force Touch performance and seamless integration with the original chassis. Compatible With: MacBook Air 15-inch (2023, Model A2941) with Apple M2 chip. Part Type: Touchpad only—does not include the flex cable, Taptic Engine, or mounting hardware. Intended for technicians who will reuse or transfer the original internal components. Color: Space Gray—matches the original lower case of Space Gray A2941 models. Force Touch Ready: Fully supports pressure-sensitive gestures and haptic feedback when paired with the original Taptic Engine and logic board. OEM Build Quality: Matches Apple’s original surface texture, curvature, and responsiveness for consistent tracking and click feel. Installation Note: Requires full bottom case disassembly and careful transfer of the original flex cable and Taptic Engine. Adhesive and alignment must be precise to avoid gaps or malfunction. Recommended for professional repair technicians.
Genuine Apple sleep/wake sensor flex cable (Hall effect sensor) for MacBook Air 13.6″ (Model A2681, 2022, M2)—ensures automatic display sleep when the lid is closed and wake-on-open functionality. OEM part number 821-04129-02. Compatible With: MacBook Air 13.6-inch (2022, Model A2681) with Apple M2 chip (all colors: Silver, Space Gray, Starlight, Midnight). Apple Part Number: 821-04129-02 (exact OEM service part). Function: Contains the Hall effect sensor that detects the magnet in the MacBook Air’s display lid. This allows macOS to: Sleep the system when the lid is closed Wake instantly when opened Prevent false sleep/wake events during use Sleep the system when the lid is closed Wake instantly when opened Prevent false sleep/wake events during use Location: Mounted near the right side of the keyboard, adjacent to the battery and logic board. Common Failure Symptoms: MacBook doesn’t sleep when lid is closed MacBook wakes randomly in a bag “Lid closed” not recognized in macOS Requires manual sleep or power button use MacBook doesn’t sleep when lid is closed MacBook wakes randomly in a bag “Lid closed” not recognized in macOS Requires manual sleep or power button use Part Type: Flex cable with integrated Hall sensor—not just a cable, but a calibrated magnetic sensor module. Installation Note: Requires full bottom case removal and careful disconnection of the battery. The sensor is adhered near the I/O area—do not bend or puncture. Recommended for experienced technicians.
Are you searching for the ultimate gaming monitor? Look no further! The MSI G274QPF-E2 27″ 180Hz Gaming Monitor is designed to take your gaming experience to the next level. With its exceptional features, it’s perfect for both casual and competitive gamers. Firstly, let’s talk about the stunning display. The MSI G274QPF-E2 features a 27-inch screen that delivers crystal-clear images. Enjoy every detail with a high resolution that makes your games come to life. Whether you’re exploring vast open worlds or engaging in fast-paced action, this monitor ensures an immersive experience. The standout feature of this monitor is its 180Hz refresh rate. Say goodbye to screen tearing and motion blur. With a high refresh rate, every frame is displayed smoothly, giving you a competitive edge in fast-paced games. Your gameplay will be seamless, and your reactions quicker. In addition, the MSI G274QPF-E2 boasts a fast response time. This means less ghosting and clearer visuals during intense gaming sessions. Every movement on screen is sharp and precise, enhancing your overall gaming experience. Moreover, the monitor supports Adaptive Sync technology. This feature synchronizes the refresh rate of the monitor with your GPU, reducing screen stuttering and tearing. Enjoy a fluid gaming experience, free from distractions. The MSI G274QPF-E2 is also designed with gamers in mind. It has a sleek, modern design that fits perfectly in any gaming setup. The adjustable stand allows you to find the perfect viewing angle for extended gaming sessions. In conclusion, the MSI G274QPF-E2 27″ 180Hz Gaming Monitor offers stunning visuals, smooth performance, and advanced features. Elevate your gaming experience with this top-of-the-line monitor. Get ready to immerse yourself in the world of gaming like never before! Specifications: Display : 27″ Rapid IPS Resolution : 2560 x 1440 (WQHD) Refresh Rate : 180Hz Response Rate : 1ms GTG
The Maxfree S2 14″ Portable Laptop Screen Extender lets you expand your workspace with dual or triple displays. First, it connects easily via USB-C or HDMI to your laptop. The screen features full HD resolution, anti-glare technology, and a slim, lightweight design for portability. In addition, it supports multiple monitor setups, boosting productivity for work, gaming, or streaming. Moreover, its adjustable stand and foldable design make it easy to carry and set up anywhere. Therefore, users can enjoy a seamless multi-screen experience without compromising desk space or mobility. Specifications: 14″ full HD screen provides sharp visuals for work and entertainment USB-C and HDMI connectivity support dual or triple monitor setups Slim, lightweight design ensures portability and easy setup Adjustable stand and foldable design for versatile positioning Compatible with laptops and devices for seamless multi-screen productivity
Philips 271V8W is a 27-inch Full HD LCD monitor designed for everyday use. It delivers a 1920 × 1080 resolution with a 75Hz refresh rate and IPS panel for wide viewing angles and consistent color performance. Additionally, it includes Adaptive Sync technology for smoother visuals and reduced screen tearing. Moreover, it supports Flicker-Free technology and LowBlue Mode to help reduce eye strain during long use. It also features an anti-glare coating for more comfortable viewing in bright environments. SmartContrast adjusts brightness and contrast based on displayed content for improved image clarity. The Philips 271V8W monitor provides a simple and reliable 27-inch IPS display experience with smooth 75Hz performance for daily tasks. Specifications: 27-inch IPS panel with Full HD 1920 × 1080 resolution 75Hz refresh rate for smooth daily visuals Adaptive Sync for reduced screen tearing Flicker-Free technology for eye comfort LowBlue Mode and anti-glare coating for reduced eye strain
Premium-grade trackpad replacement for MacBook Air 13″ M1 (Model A2338, 2020)—available in Silver and Space Gray—engineered to OEM specifications for flawless Force Touch response, smooth gesture control, and seamless aesthetic integration. Compatible With: MacBook Air 13-inch (2020, Model A2338) with Apple M1 chip. Part Type: Trackpad only—does not include the flex cable, Taptic Engine, or mounting brackets. Designed for professional technicians who will reuse original internal components. Finish Options: Silver: Matches Silver and Starlight MacBook Air finishes. Space Gray: Matches Space Gray and Midnight models for perfect color continuity. Silver: Matches Silver and Starlight MacBook Air finishes. Space Gray: Matches Space Gray and Midnight models for perfect color continuity. Force Touch Capable: Fully supports pressure-sensitive input and haptic feedback when paired with the original Taptic Engine and logic board—no loss of functionality. Precision Craftsmanship: Mirror-polished glass surface with exact curvature, texture, and click mechanism matching Apple’s original design for consistent performance and feel. Installation Requirements: Requires full bottom case disassembly and careful transfer of the original flex cable and Taptic Engine. Adhesive must be applied precisely to maintain structural integrity and sensor alignment. For professional use only.
Mouschi Field Computer Mouse Pad, Non-Slip Rubber Base and Textured Stitched Edge Mousepads, Mouse Pad Pack for Office and Home Mouschi Field Computer Mouse Pad, Non-Slip Rubber Base and Textured Stitched Edge Mousepads, Mouse Pad Pack for Office and Home Brand: Mouschi Size: Small – 290 X 240 X 3mm Medium – 360 X 300 X 3mm Large – 450 X 400 X 4 mm X-Large – 900 X 420 X 4 mm Color: Black Recommended uses for product: Gaming Material: fabric Mouschi Field Mouse Pad Micro-Weave Fabric: Creates a dense surface for a faster and smoother glide for your mouse. Durable Stitched Anti-Fray Edges: 360° of stitching guards against surface peeling. Staying Power: An anti-skid textured rubber base keeps the mouse pad securely in place even during the most intense gaming sessions. Brand: Mouschi Size: Small – 290 X 240 X 3mm Medium – 360 X 300 X 3mm Large – 450 X 400 X 4 mm X-Large – 900 X 420 X 4 mm Color: Black Recommended uses for product: Gaming Material: fabric
Alienware 25 Gaming Monitor: AW2521HFLA Diagonal Viewing Size: 62.2 cm 24.5 Inches Preset Display Area (H x V) 543.744 mm x 302.616 mm 21.41″” x 11.91″” 164545.63 mm2 (255.04 inches2) Alienware 25 Gaming Monitor Panel Type: Fast IPS Display Screen Coating Antiglare with 3H hardness Maximum Preset Resolution 1920 x 1080 at 240Hz Viewing Angle (178° vertical / 178° horizontal) Pixel Pitch 0.283 mm x 0.280 mm Pixel Per Inch (PPI) 90 Contrast Ratio 1000: 1 (typical) Aspect Ratio (16:9) Backlight Technology LED edgelight system Brightness 400 cd/m2 (typical) Response Time(typical) True 1ms (gray to gray, in Extreme Mode) Audio Output No Connectivity Connectivity 2 x HDMI (ver 2.0) 1 x DP 1.2 1 x USB 3.0 upstream port (Rear) 2 x USB 3.0 Downstream port (Rear) 2 x USB 3.0 Downstream port [Front Bottom, one with BC1.2 charging capability at 2A(max)] 1 x Headphone-out jack (Front Bottom) 1 x Audio Line-out jack( Rear)AMD Free-Sync™ YesNVIDIA® G-SYNC® Compatible YesAlienFX™ Lighting Yes Dimensions & Weight Height with stand (Compressed ~ Extended) 421.21 mm ~526.08 mm 16.58″ ~ 20.71″ Width 556.29 mm 21.90″Depth 251.92 mm 9.92″Height without stand 328.24 mm 12.92″Width without stand 556.29mm 21.90″ Depth without stand 72.95 mm 2.87″ Weight (panel only – for VESA mount) 3.55 kg 7.81 lb Weight (with packaging) 11.22 kg 24.71 lb Power Voltage Required 100 VAC to 240 VAC / 50 Hz or 60 Hz + 3 Hz /1.5 A (typical)Power Consumption 0.2 W (Off Mode) 0.3 W (Standby Mode) 20.4 W (On Mode) 72 W (Max) Environmental Temperature Range Operating: 0° to 40°C (32° to 104°F) Non-operating: -20° to 60° (-4° to 140° F)Humidity Range Operating: 10% to 80% (non-condensing) Non-Operating:5% to 90% (non-condensing)Altitude Operating: 5,000 m (16,404 ft) max Non-Operating: 12,192 m (40,000 ft) max Chassis Adjustability Height adjustable stand (130 mm) and Height-markers Tilt (-5° to 21°) Swivel (-20° to 20°) Pivot (-90° to 90°) Built in cable-management Low Blue Light Yes, Comfort View Flicker-free Yes Specifications – Service / Support Details 3-Year Advanced Exchange Service and Premium Panel Exchange Color Support Color Gamut (typical): sRGB 99% Color Depth: 16.78 Million colors Built-in Devices NA Flat Panel Mount Interface VESA (100 mm) Specifications: Alienware 25 Gaming Monitor 240Hz refresh rate ips Panel Type: Fast IPS Color Support Color Gamut (typical): sRGB 99% 1 Year Warranty Manufacturer Link
The ViewSonic VP2768A 2K 27″ monitor delivers professional-grade color accuracy for creators. First, it features Pantone validation and factory-calibrated colors for precise visuals. The monitor offers 2560×1440 resolution, 60Hz refresh rate, and ergonomic adjustments. In addition, it supports multiple connectivity options including HDMI, DisplayPort, and USB-C for flexible setups. Moreover, slim bezels and an anti-glare panel provide a comfortable viewing experience. Therefore, designers, photographers, and video editors can work with consistent colors and enhanced productivity. Specifications: 27″ 2K display with Pantone-validated color for accurate visuals 60Hz refresh rate and ergonomic adjustments for comfortable use Multiple connectivity options: HDMI, DisplayPort, USB-C Anti-glare panel and slim bezels for a better viewing experience Factory-calibrated colors enhance workflow for designers and editors
The ASUS ROG Strix XG27ACS-W 27 inch QHD 180Hz 1ms Fast IPS Gaming Monitor is a 27-inch gaming display designed for smooth performance and sharp image quality. It uses a Fast IPS panel that delivers wide viewing angles and accurate colors for gaming and everyday use. It features a QHD (2560×1440) resolution, which provides more detail and screen space compared to Full HD. Therefore, it improves visibility in games and productivity tasks. The ASUS ROG Strix XG27ACS-W 27 inch QHD 180Hz 1ms Fast IPS Gaming Monitor supports a 180Hz refresh rate for smoother motion in fast-paced gameplay. In addition, it includes a 1ms response time to reduce motion blur during rapid actions. It supports adaptive sync technology, which helps reduce screen tearing and stuttering when paired with compatible graphics cards. As a result, gameplay feels smoother and more stable. Moreover, it includes HDR support for improved contrast and brightness in compatible content. The monitor also provides gaming display modes and on-screen settings for quick adjustments. The white design gives it a clean and modern appearance suitable for light or themed setups. Overall, the ASUS ROG Strix XG27ACS-W 27 inch QHD 180Hz 1ms Fast IPS Gaming Monitor is built for responsive gaming, clear visuals, and a premium white aesthetic. Specifications: 27-inch QHD (2560×1440) display 180Hz refresh rate 1ms response time Fast IPS panel White premium design
The MSI MAG 276CXF 27″ 280Hz Curved Gaming Monitor delivers an immersive gaming experience. With a fast 280Hz refresh rate, it ensures ultra-smooth gameplay. Say goodbye to motion blur and enjoy crystal-clear visuals. This monitor features a 1500R curved design that enhances immersion. It wraps around your field of vision, making gaming more engaging. Whether you’re playing fast-paced shooters or open-world adventures, the curved screen provides an edge. The MSI MAG 276CXF has a Full HD resolution for sharp and vibrant images. It supports a wide color gamut, offering lifelike colors and rich contrast. Enjoy every detail in your favorite games and multimedia content. With a lightning-fast 1ms response time, ghosting and lag are minimized. This ensures smooth transitions and precise actions, giving you a competitive advantage. The monitor is also compatible with AMD FreeSync Premium, which eliminates screen tearing and stuttering. Connectivity is easy with multiple ports, including HDMI and DisplayPort. You can easily connect your PC, gaming console, or other devices. The MSI MAG 276CXF 27″ 280Hz Curved Gaming Monitor is designed for long gaming sessions. It includes eye-care technology, reducing blue light and flicker to minimize eye strain. Play longer without discomfort. With a stylish and modern design, this monitor enhances any gaming setup. Its slim bezels offer an immersive multi-monitor experience. Whether you’re a casual gamer or an esports enthusiast, this monitor delivers outstanding performance. Upgrade your gaming with the MSI MAG 276CXF 27″ 280Hz Curved Gaming Monitor today. Specifications: Display : 27″ Rapid VA Resolution : 1920×1080 (FHD) Curvature : 1500R Refresh Rate : 280Hz Response Rate :0.5ms
Model: A4Tech Bloody G521S Type: Over-Ear Wired Gaming Headset Connection: USB (Digital Audio Interface) Drivers: 50mm Neodymium speakers Sound Technology: 7.1 Virtual Surround Sound Built-in Sound Card Frequency Response: Speaker: 20Hz – 20kHz Microphone: 100Hz – 10kHz Impedance: 16 Ohms Sensitivity: Speaker: 105 dB ± 3 dB Microphone: -45 dB ± 3 dB Microphone: Noise-canceling Flexible boom design Lighting: RGB backlight on earcups Design: Soft memory foam ear cushions Adjustable headband with durable metal frame Cable Length: 2.2 meters Weight: ~280g Compatibility: Windows PC (supports software features), basic plug-and-play on other platforms Extras: Bloody software for audio customization
Genuine-spec US layout keyboard replacement for MacBook Pro 13″ (Model A1502, Mid 2014)—featuring durable scissor-switch keys, backlighting, and OEM-fit design for reliable performance and easy installation. Compatible With: MacBook Pro 13-inch (Mid 2014, Model A1502, Model Identifier MacBookPro11,1) with Retina display. Layout: Standard US English (QWERTY) with full-size keys, inverted-T arrow keys, and dedicated function row (F1–F12). Keyboard Type: Traditional scissor-switch mechanism—offers good key travel, tactile feedback, and proven long-term reliability (pre-Butterfly design). Integrated Features: Backlit keys for low-light environments, ambient light sensor compatibility, and original-style ribbon cable connector for direct logic board attachment. Build & Fit: Precision-molded to match Apple’s exact dimensions and mounting points—ensures flush integration into the top case with consistent key alignment. Installation Note: Keyboard is secured with screws and light adhesive—more serviceable than later glued models. Requires top case access and battery disconnection. Suitable for intermediate DIYers or professional technicians.
Experience professional-grade power with this pre-owned ThinkPad E14 Gen 2. Featuring a robust AMD Ryzen 7 4700U 8-core processor, 16GB RAM, and a 256GB NVMe SSD, this 14-inch laptop is built for high-speed productivity, secure data management, and long-lasting durability.
The ViewSonic VX3211-4K-mhd 32″ 4K Monitor is designed to transform your visual experience. Whether you’re working, gaming, or watching movies, this monitor delivers crystal-clear images with incredible detail. Featuring a stunning 32-inch 4K UHD display, the ViewSonic VX3211-4K-mhd provides four times the resolution of Full HD. This means you can enjoy sharper images, vibrant colors, and exceptional clarity, making every detail come to life. The ViewSonic VX3211-4K-mhd supports a wide color gamut, ensuring that colors are accurate and true to life. This makes it an excellent choice for graphic designers, photographers, and video editors who need precise color reproduction. With multiple connectivity options, including HDMI, DisplayPort, and Mini DisplayPort, the ViewSonic VX3211-4K-mhd offers versatility for connecting various devices. Whether you’re connecting a computer, gaming console, or other multimedia devices, this monitor has you covered. The ViewSonic VX3211-4K-mhd also features advanced eye care technology. Flicker-Free and Blue Light Filter functions help reduce eye strain during extended viewing sessions, making it comfortable for long hours of work or entertainment. This monitor is also designed with an ultra-slim bezel, offering a sleek and modern look that complements any workspace or gaming setup. Its VESA compatibility allows for easy mounting, giving you the flexibility to set it up the way you like. In conclusion, the ViewSonic VX3211-4K-mhd 32″ 4K Monitor offers stunning visuals, vibrant colors, and versatile connectivity. Upgrade your display today and experience the difference that 4K resolution can make. Specifications: Display : 32″ UHD Resolution : 4K (3840×2160) Refresh Rate : 60Hz Response Rate : 3ms
Laptop Battery for Acer E5-573 Battery for Acer AL15A32, Acer Aspire E5-422, Aspire E5-522, Aspire V3-574 Laptops. About this item Compatible For Preferred Model : Acer Aspire V3-574G E5-473G E5-573G E5-553G E5-522 Warranty Not Covered if Defects due to External Causes, Accidental, Physical or Liquid Damage, Cut, Burnt, Misuse and Missing Warranty Stickers or Labels. Battery Capacity/Power Capability (mAh/Wattage) be different From The Reference Picture But the Backup of the Battery Will Be the Same As the Original Please Match Your Product With The Image Provided Before Placing The Order
Genuine-spec touchpad flex cable for MacBook Pro 13″ with Touch Bar (Model A1708, 2016–2017)—restores full Force Touch functionality, haptic feedback, and precise multi-touch gesture control during trackpad repair or replacement. Compatible With: MacBook Pro 13″ (2016) – Model A1708 (Model Identifier: MacBookPro13,1) MacBook Pro 13″ (2017) – Model A1708 (Model Identifier: MacBookPro14,1) (Both years share the same internal trackpad assembly and flex cable.) MacBook Pro 13″ (2016) – Model A1708 (Model Identifier: MacBookPro13,1) MacBook Pro 13″ (2017) – Model A1708 (Model Identifier: MacBookPro14,1) (Both years share the same internal trackpad assembly and flex cable.) Part Type: Touchpad flex cable only — does not include the trackpad housing, Taptic Engine, or mounting hardware. This is the OEM-style ribbon cable that connects the trackpad to the logic board. Function: Transmits: Touch input coordinates Force Touch pressure data Haptic feedback signals to the Taptic Engine Enables full macOS gesture support: Force Click, three-finger lookup, swipe navigation, pinch-to-zoom, and smooth cursor tracking. Touch input coordinates Force Touch pressure data Haptic feedback signals to the Taptic Engine Enables full macOS gesture support: Force Click, three-finger lookup, swipe navigation, pinch-to-zoom, and smooth cursor tracking. OEM-Quality Build: Matches Apple’s original specifications in: Cable length and routing path Connector pitch and ZIF latch design EMI shielding and flex durability Cable length and routing path Connector pitch and ZIF latch design EMI shielding and flex durability Common Use Cases: Replacing a torn, creased, or liquid-damaged original flex cable Completing a trackpad replacement when the original cable is compromised Fixing intermittent trackpad behavior, loss of Force Touch, or complete unresponsiveness Replacing a torn, creased, or liquid-damaged original flex cable Completing a trackpad replacement when the original cable is compromised Fixing intermittent trackpad behavior, loss of Force Touch, or complete unresponsiveness Installation Note: Requires full bottom case removal and battery disconnection. Cable routes under internal components near the right speaker and logic board. Connects via a ZIF (Zero Insertion Force) socket—must be aligned carefully and latched gently. Recommended for experienced or certified technicians only. Requires full bottom case removal and battery disconnection. Cable routes under internal components near the right speaker and logic board. Connects via a ZIF (Zero Insertion Force) socket—must be aligned carefully and latched gently. Recommended for experienced or certified technicians only.
The Samsung 55″ OLED 4K S90F Vision AI Smart TV | QA55S90FAUXTW delivers strong picture quality with OLED technology. It produces deep blacks, bright colors, and high contrast. As a result, movies, sports, and games look more realistic and detailed. The 55-inch size also works well in most rooms while still giving an immersive view. Samsung Vision AI improves both picture and sound in real time. It analyzes what you are watching and adjusts settings automatically. Therefore, brightness, color, and sharpness stay balanced in every scene. In addition, AI upscaling improves lower-resolution content and brings it closer to 4K quality. The OLED panel uses self-lit pixels, so each part of the screen is controlled precisely. This improves dark scenes and keeps bright areas clear. HDR also increases contrast and color depth. As a result, images look more natural and dynamic. Fast motion in sports and action scenes also appears smoother and clearer. The TV runs on Samsung’s Smart TV system, which gives access to streaming apps, games, and smart home control. It is simple to use and responds quickly. In addition, the slim design and thin borders make the screen look modern and clean in any space. Overall, this Samsung OLED TV combines strong picture quality, smart AI features, and easy connectivity. It is designed for users who want a high-quality and smooth entertainment experience at home. Specifications: OLED technology delivers deep blacks, vivid colors, and exceptional contrast Vision AI optimizes picture and sound quality in real time 4K UHD resolution provides sharp and highly detailed visuals HDR support enhances brightness, contrast, and color performance Smart TV platform offers streaming apps and smart home connectivity
GAMDIAS AURA GK2 White & Black | Full-Size Wired Mechanical Keyboard | Tactile Mechanical Switches | Multi-Colour Backlit Switches | 10 Built-in Hot Keys | 50 Million Switch Lifecycle | USB-A About this item Gamdias AURA GK2 is a wired mechanical keyboard designed to complement your gaming experience and skills. We have added multiple functionality features to make the AURA GK2 a high-performance keyboard. Each key has a 50 Million Key Press Lifecycle over the standard 20 million. This enables the keyboard to stay efficient and provide accurate feedback even after a longer use period. The Keyboard has been designed to provide a highly responsive and easily adaptable gaming experience with its Tactile Mechanical Keyboard while complimenting your setup with dual color keycaps. The Keyboard comes in the White & Black color to easily blend in with your aesthetic environment and complement your professional or gaming setup. The keyboard has a multi-colour backlight and 9 Built-In Lighting effects. Dimensions: 29.2 x 10.2 x 4 cm; 519 Grams