Features three height positions on a track with ball-bearing hardware ensures smooth operation. Extra-wide tray accommodates virtually all keyboards. Includes a leatherette gel wrist rest with antimicrobial product protection & 3M ™ Precise ™ Mousing Surface. Retractable mousing tray attaches on either the left or right. Workstation Type: Straight; Sit-to-Stand Option: No; Height (+/- Desktop): -1 3/4" / -3 1/2"; Keyboard Tray Dimensions (W x D): 23" x 14".