Description For electricians, light institutional and frequent household use. Nonconductive green fiberglass rails with yellow aluminum top cap. 3-in. serrated steps, slip-resistant foot caps. Pinch-resistant side locks. ANSI Type II, Commercial, 225-lb. duty rating. UL Compliant. 17w x 22 spread x 24h. Shpg. wt. 7-lbs.