The Performance Tool W85018 40-Inch (1015 mm) Folding Creeper Rolling Seat is your all-in-one solution for automotive and shop tasks. This versatile tool easily converts from a creeper to a rolling seat, offering flexibility for various needs. Fully padded cushions ensure comfort whether laying flat or sitting upright. With six shielded 2-inch (50 mm) swivel casters, you get smooth 360-degree movement and added stability. The creeper mode features a low-profile design for improved clearance. Constructed with powder-coated heavy-duty tubular steel, it's built to last. The locking pin in seat configuration prevents unwanted movement and retracts easily for quick conversion. Creeper dimensions are 40 x 16-7/8 x 5-1/8 inches (1015 x 430 x 130 mm), while rolling seat size is 20-1/2 x 16-3/4 x 16-7/8 inches (520 x 430 x 415 mm). It has a 300 lb. (136 kg) weight creeper capacity and a 286 lb. (130 kg) rolling seat capacity. For replacement caster assembly, use Performance Tool model W85002.