Impact-resistant plastic and steel drawer holds standard and ergonomic keyboards. Patented clamp system attaches unit to virtually any worksurface (5/8” to 1-5/8” thick) without tools. Tray adjusts to three height positions below worksurface for user comfort. Tilts 3, 6 or 9 degrees. Soothing memory foam wrist rest. Separate mouse platform positions right or left. Color(s): Black Pearl; Keyboard Tray Dimensions (W x D): 28.63” x 14.00”; Mouse Tray Dimensions (W x D): 6 3/8” x 9 3/16”; Height (+/- Desktop): +0”/-2 3/16”, 3 1/2”, 4 1/16” Below. (33-3/4” wide space required)