Under Desk Keyboard Tray Computer Drawer Typing Mouse Storage Rack Table Tray KEY FEATURES: The length from clamp to clamp is 27.56"(But for the tray is 23.62"),please make sure you have that much space on your desk before purchasing. Attach clamps to any desktop surface with 0.6-1.57inch in thickness, no tools required. When you don't need to use the keyboard, simply slide the keyboard tray under the desktop to save space. Sturdy metal C-clips allow you to easily attach your keyboard tray to your standing desk without any screws or tools. The carrying capacity is up to 15 pounds. Slide the tray in and out easily and enjoy an ergonomic typing angle that relieves stress on your wrists and shoulders while standing and sitting. The keyboard tray is made of selected high-quality steel stamping, all steel structure is stable, strong bearing force, no bending and invariability. SPECIFICATIONS: Color: Black Material: Steel Input: 110V-120V AC / 60HZ 4.2A Clamp clamping range: About 1-4cm/0.39-1.57inch Clamp to Clamp size: 25*70cm/9.84*27.56inch Tray size:20*60cm/7.87*23.63inch Carrying capacity: 15lbs Package Includes: 1 x Clamp  1 x Rail  2 x Spacer  4 x Flat head screw