FM100 Features: -Friction angle adjustment for easy positioning. -Provides support for lower back. -Non-skid, inset pads. -19” W x 11.75” D x 3.375” H. Product Type: -Footrests. Dimensions: Overall Height - Top to Bottom: -3.375". Overall Width - Side to Side: -19". Overall Depth - Front to Back: -11.75".