BY POPULAR DEMAND: We got tons of requests for a clamp on keyboard tray that fits smaller desks or leaves room for accessories like our Desk Potato. The 20-inch surface is ideal for small keyboards (10 to 13 inches) but fits under even more desks than our previous model. If you have limited under-desk space, this is the keyboard tray you want! | OPTIMUM TYPING: This ergonomic keyboard tray places your keyboard 4.75 inches below the desk top, so your arms, wrists, and hands are positioned to reduce fatigue and pain over a long workday. The beveled front edge further improves typing comfort. | EASY ASSEMBLY: The keyboard holder installs with no tools! No need to drill holes in your existing desk or risk damage! Your new keyboard shelf will clamp on in seconds with sturdy thumb screws. The clamps are padded to protect your desk’s finish. | SMOOTH GLIDING: When you’re done typing, the retractable adjustable keyboard tray simply slides under your desk and out of the way! | FITS MOST DESKS: The Stand Steady Clamp On Keyboard Tray will install on practically any desk that is wider than 25 inches and has a thickness of 1.5 inches or less.