The 400-lb. capacity King Crawler ‘all-terrain’ creeper goes where other creepers can’t. 1 1/4in. ground clearance, low center of gravity and four 5in. heavy-duty PVC swivel casters, with axle bearings allow easily rolling over almost any outdoor, garage or shop surface. 38in.L x 13 3/4in.W cushioned deck is covered with tough vinyl and has a 2 1/2in. thick padded head support. No assembly required. Caster Size in. 5, Capacity lbs. 400, Ground Clearance in. 1 1/4, Padded Yes.