FEL8029801 - Fellowes Professional Series Sit/Stand Keyboard Tray Sold as 1 Each. Essential adjustable keyboard tray for working in a "sitting" or "standing" position Increased height adjustment range for taller users (up to 6-1/4" above desktop) Range of motion below desk is 5" for custom knee clearance Simple one-handed motion instantly repositions keyboard height without locks or levers 10" round mousing platform mounts over keypad or flush with keyboard for easier mousing Leatherette keyboard palm support with Microban antimicrobial protection keeps product cleaner