Shure-Step is a stackable safety step rated at 500 pounds that has many uses; Seniors, bariatric patients, physical therapists, rehabilitation facilities, bus, train, and transportation drivers, warehouse workers, mechanics, and technicians, even children benefit from the stability and strength of the Shure-Step. Shure-Steps have a non-slip surface with height starting at 6 and 10 inches, and allows you to stack them to reach up to 16 to 22 inches high or more for a guaranteed safe reaching and stepping aid.