EASY ASSEMBLY: Set up your new keyboard tray in 5 minutes! No need to put holes in your existing desk - Your new keyboard tray will clamp on your desk in seconds. The entire unit is 33 inches long with clamps included while the tray itself is 27.5 inches long. | SMOOTH GLIDING TRAY: Slide your new keyboard tray under your desk and out of the way when not in use. When you need the extra space simply pull out the keyboard tray and start using it instantly! | FITS MOST DESKS: The Stand Steady Keyboard Tray will fit most desks that are wider than 33 inches and have a thickness of 1.5 inches or less. **Tray will NOT work with beveled-edge desks.** Tray will hang 6 inches below the surface of your desk! | EXTRA LARGE SURFACE: This is one of the largest and most spacious desk trays on the market! With a 27.5” x 12” surface you can fit your keyboard, mouse, and all your extra knick-knacks. | ERGONOMIC DESIGN/ NO DAMAGE TO EXISTING DESK: Your keyboard tray has a very modern sleek design. It’s easy clamp on feature (with padding!) means no damage to your existing under desk. With your comfort in mind, it has an ergonomic beveled edge to decrease the pressure on your wrist.