Design – Ideal for the workplace, JET’s Mechanic’s Roller Seats and Stools have a minimum 300-lb weight capacity with a sturdy frame that increases product strength and durability. Product 355163 provides high-low seating positions with back supportStorage – Users can work more efficiently and store commonly used toolsCasters – The JET seats and stools feature 5 professional-grade polypropylene swivel casters for better movementComfort – The padded seats have a high-density thick foam for maximum user comfort and long service life.Easy to Clean – The stools and toolbox seats are protected from corrosion with a glossy black powder-coat finish, and the upholstery is resistant to most shop chemicals, making them very easy to clean.The 2.5"- 3" casters allow for better movement over cords, hoses, cracks, and shop floor debris