Tilting footrest for proper ergonomic alignment. Clever foot adjustable tilt mechanism rolls back and forth for your ideal angle from 0 to 20 degrees. Ribbed surface prevents feet from slipping. Non-slip, non-scratching floor pads keep your footrest in place on the floor. Width: 13.75″; Height: 3.38″ to 5.13″; Depth: 17.75″; Color(s): Black.