Engineered to withstand the weight and impact of a falling vehicle, the Creepex Bodyguard XT-S Creeper's built-in structure can sustain a constant load of 30,000 lbs. Mounted on three rugged casters, the 6” solid rubber tires wheels provide shock absorption and smooth ride. Other features include a four-position adjustable head rest. A clip-on cordless LED worklight wont leave users in the dark, while magnetized tool trays are conveniently positioned on each side for easy reach.