2-in-1 Performance Mechanics Creeper Seat330 lb. Capacity22 in. L x 15 in.W x 6 in. H Creeper Seat w/ Backrest16 in. L x 15 in. W x 18 in. H Creeper SeatBlack Vinyl Covered Padding3 in. Swivel Casters1 in. Black Steel Tubing JEGS 81175 2-in-1 Performance Mechanics Creeper Seat is versatile and 2-products in 1, folds down from an 18-inch high roller seat to a 6-inch low creeper seat in just a push of a button. It's 2 in. thick seat and backrest cushions covered in durable black vinyl for comfort and easy cleanup. The 3-inch diameter hard-rubber swivel ball-bearing casters provide 3 inches of ground clearance allowing the 2-in-1 Performance Mechanics Creeper Seat to glide effortlessly on any solid flat surface. Manufactured from 1 in. square heavy-duty welded steel tubing and a maximum weight capacity of 330 lbs. this is the perfect addition to any shop or garage. The 2-in-1 Performance Mechanics Creeper seat is preassembled and includes a 5 mm hex key for installation of the swivel casters, and no additional tools are required.