The Height-Adjustable Footrest provides an ergonomic solution for your feet & back while sitting or standing. The footrest is constructed of steel & aluminum with a nylon platform for durability, & raised bumps on the platform for added foot grip. The footrests clean, industrial appearance is great for any desk or table, as well as backroom & warehouse use. The footrest can also be paired with a standing workstation for added ergonomic support. The footrest is infinitely adjustable with cam-lock to set at desired height for user comfort, form 3 inches to 16 inches. Width: 20.5"; Height: 3.5" to 21.5"; Depth: 14.5"; Color(s): Black.