Rubbermaid Commercial 4653 Height Adjusting Tilting Footrest, 18 1/8 x 14 1/4 x 4 1/8-6 5/8, Charcoal Surface bumps massage soles of feet Three-position height Foot-action tilt from flat to 15 degree slant Surface bumps massage soles of feet. Three-position height. Foot-action tilt from flat to 15 slant.