3M FR330 Adjustable Height/Tilt Footrest, Nonskid Platform, 18w x 13d x 4h, Charcoal Gray 3M foot rest helps reduce strain and fatigue on legs, back and neck Height and tilt adjustable with easy, foot-controlled, platform tilt adjustment Contoured, 18" wide non-skid plastic platform with soft bumps to massage and soothe your feet Durable, heavy-duty steel base stays in place 2 year warranty Foot-controlled platform. Manual height adjustment from 4" to 5". Contoured platform for maximum comfort.