Scissor Lift Cart Load Capacity 660 lb. Frame Material Steel Platform Style Fixed Platform Length 39-1/2'' Platform Width 20-1/2 In. Lowered Height 17'' Raised Height 63'' Elevation per Stroke 1/2 In. Caster Dia 6 In. Powered By Manual Caster Material Polyurethane Caster Type (2) Rigid (2) Swivel with Brake