The OEM Office Suites Underdesk Keyboard Drawer offers three height adjustments to place the drawer 2-1/8", 2-1/2", or 1-3/4" below the track. The mouse tray can be mounted on either the right or left side and conveniently stows underneath the drawer. It features soothing memory foam wrist supports with Microban antimicrobial protection and ball-bearing glide tracks for smooth operation. Easy to install and adjust, this drawer requires a maximum width of 28-3/4" for the keyboard and mouse tray. The color scheme is Black and Silver, with the keyboard measuring 20-1/8" wide x 7-3/4" deep and the mouse tray measuring 7-3/8" wide x 7-5/8" deep.