Lisle 93502 Low Rider Seat Creeper The legs and wheels can be flipped over for a 5" or 8" working height at the top of the seat cushion The seat creeper assembly is 30" wide by 13" deep with 1" of ground clearance The backrest has a 3" adjustment range with a quick-release pin, or can be removed when used as a knee creeper Two locking wheels for extra stability when needed