Work in either a "sitting" or "standing" positionIncreased height adjustment range for taller users (up to 6-1/4" above desktop)Range of motion below desk is 5" for custom knee clearanceSimple one-handed motion instantly repositions keyboard height without locks or levers10" round mousing platform mounts over keypad or flush with keyboard for easier mousingLeatherette keyboard palm support with Microban antimicrobial protection keeps product cleanerMeets ANSI/BIFMA standards Fellowes Professional Sit/Stand Keyboard Tray - 14" x 29" x 21" - Black
