Kensington® Solemate™ Plus with SmartFit® System Footrest uses SmartFit® System – Measure, Adjust, Fit. Workspace that works for you. SoleMate Plus with non-skid surface reduces muscle strain and fatigue by providing leg support in the optimal position. Footrest is both height and angle adjustable. Set to your SmartFit personal comfort color for perfect, ergonomic positioning. - SmartFit® System – Measure, Adjust, Fit. Workspace that works for you. - Footrest promotes a stress-reducing seating position - Reduces pressure on your lower back when set to your SmartFit® personal comfort color - Height and angle are adjustable for personal comfort. Height adjusts from 3.5"" - 5"", angle adjusts up to 30°. - Convenient foot pedal control lets you adjust and lock the footrest in place while seated - Large non-skid foot surface provides extra control and lets you rest easy - Platinum/Gray - 19.75""L x 13.75""W x 3.5""H