... specifications:1.Load capacity: 35KG per caster 2.Wheel diameter:50mm3.Caster material: Nylon,pressed steel,zinc plated4.Chrome, zinc ... phenolic and sandwich, etc. Our housings have special sizes for different areas, such as Euro type, American type, and ... ’ choices and wide different usage, such as, for industrial machine, medical facility, furniture, trolley, shopping cart, forklift, scaffold, shelf, ...