... 35KG per caster 2.Wheel diameter:50mm3.Caster material: Nylon,pressed steel,zinc plated4.Chrome, zinc or nickel plating ... such as swivel, fixed ,double brake plate 6.Plastic or nylon is ravailable 7.Applications: industrial ,supermarket, display racks, ... wide different usage, such as, for industrial machine, medical facility, furniture, trolley, shopping cart, forklift, scaffold, shelf, etc.Welcome ...