High-tensile, four-step aluminum ladder offers a left handrail for better balance and a welded design for strength with visual appeal. The top step is 36" high. The spring-loaded casters allow each lightweight ladder to roll where pushed and stop when stepped on. Ladder provides solid and secure footing. Nonskid vinyl treads provide traction. Rubber bumpers protect other furnishings. OSHA/ANSI compliant ladder is 300 lb. load rated.