Swivel stool: Tough stool with extra large seat measuring 40 cm in diameter, ideal for trade and industry. The all-round cushion edge protection and sturdy steel star base guarantee a long lifetime. A practical gas spring release ring ensures convenient height adjustment. Sturdy five-star base made of steel in black. With load-dependent braked castors. Available in the following versions: black imitation leather, black integral foam and beech laminated wood.