ACCO BRANDS, INC.-DRAWER,OVER/UNDER. Over/Under Keyboard Drawer with SmartFit System, 14-1/2 x 23, Black. Universal design works over or under desk to fit any work space and individual body size. Keyboard drawer with SmartFit™ system adjusts both keyboard and monitor height. Optimizes your viewing angle and typing position for greater computing comfort. Keeps eyes in line with screen to reduce neck strain. Extra-wide, easy-glide drawer hides keyboard and mouse when not in use. Color(s): Black; Keyboard Tray Dimensions (W x D): 14 1/2" x 23"; Mouse Tray Dimensions (W x D): N/A; Height (+/- Desktop): N/A.