Easy adjust arm with height and tilt indicators help you achieve comfortable setting. Gel wrist rest has antimicrobial product protection that inhibits the growth of microorganisms, such as bacteria. Height adjusts +3"/-5". Keyboard tray has a tilt range of +15/-15 degrees, 360 degree swivel and unlimited positions within height range. Mousing surface can be used to the left or right of the keyboard. Keyboard tray will work in standard workstations. Track length measures 17-3/4". Platform measures 25-1/2" x 12".