Swivel stools, gas lift height adjustment, release spring, polyurethane foam seat, with castors. Supplied = flat pack. Seat material = PU foam. Frame design = with castors. Frame material = steel. Frame colour = black. Type of height adjustment = gas spring with release ring. Seat colour = black. Seat height = 400 - 530 mm. Seat diameter = 340 mm. Seat design = round seat. Max. load = 120 kg. Product type = industrial stools. Seat 340 mm. Height adjustable by means of release ring. Steel five star base. Polyurethane foam seat. Supplied flat pack - easy self-assembly.