Kensington SoleMate Gray Adjustable Footrest with SmartFit reduce muscle strain and fatigue by supporting your legs at an optimum angle. Height adjusts from 3-1/2" To 5" to match your individual SmartFit comfort color. Angle adjusts 30В° and locks into place with a simple press of the foot. Large, nonskid surface ensures foot stability. Foot surface is 21.9"W x 3.7"D.