3M Ergonomic Adjustable Footrest - 4" - 4.75" Adjustable Height - 30° Tilt - Gray - 1 Each Adjustable footrest offers an ergonomic design that positions you properly to help reduce back, neck and leg strain and prevent fatigue. Extra-wide platform allows more foot and leg movement. Independently adjustable height and tile allows exact positioning. Exclusive Safety-Walk Slip Material on platform keeps your feet from slipping. Sturdy heavy-gauge steel construction and nonskid bottom keep footrest stable and in place.