Working Specification: Stainless steel rigid tubular frame mounted on three swivel castors 50 mm Ø, SS bowl of approx. 375 mm Ø. All tubular frames made from 1.22mm (18 SWG) S.S. sheet & pipes, which it makes rigid & sturdy Hospital Furniture. MS material pre-treated in seven tank chemical process & epoxy powder coated, which it makes uncorrosive Medical furniture/ Medical Equipment. Advantages: Maintenance free 2 rigid castors for go anywhere. Top grade stainless steel & CRC MS for rust free long life. Heavy tubular frame for rough use. Options: All Powder Coated All Stainless steel