3 STEP ALUMINUM ROLLING LADDER, 24″W RIBBED TREAD, 28″D TOP STEP, 32″ HANDRAILS PERFECT FOR USE WHERE CORROSION IS A PROBLEM: OUTDOORS, IN FOOD PROCESSING, CHEMICAL PLANTS, WAREHOUSES AND OTHER LOCATIONS. ALUMINUM ROLLING LADDER IS NON-MAGNETIC AND NON-SPARKING. EASY ROLLING SPRING LOADED LADDER ROLLS FREELY AGAIN ONCE USER STEPS OFF. ALUMINUM ROLLING LADDER FEATURES RIBBED STEP TREADS AND 32″H HANDRAILS. 7″ INTERMEDIATE STEPS AND 28″ DEEP TOP STEP. ROLLING LADDER IS BUILT TO OSHA AND ANSI REQUIREMENTS. 350 LB. CAPACITY.