... step ladder, double step ladder, extension ladder, mezzanine ladder, multi-lever ladder, platform scaffold or a stair-step scaffold. Made with high quality aluminum, ... protenction 1.2mm Extra Thick All-Rustproof aluminium alloy construction One ladder that performs at least 7 different ... elevated shelf back keeps items in their place. Aluminium kits,utility carts,Closet Shelf, heavy duty steel ...