StarTech.com Under-Desk Keyboard Tray, Clamp-on Ergonomic Keyboard Holder, Up to 12kg (26.5lb), Sliding Keyboard and Mouse Drawer with C-Clamps, Height Adjustable Keyboard Tray (3.9/4.7/5.5 in). Product colour: Black, Maximum weight per keyboard tray: 12 kg. Height: 32 mm, Keyboard tray (W x D): 700 x 310 mm. Package width: 830 mm, Package depth: 340 mm, Package height: 62 mm. Master (outer) case length: 280 mm, Products per master (outer) case: 4 pc(s), Master (outer) case height: 370 mm