1.Rack caster 2.Materials: Mold on rubber 3.Dia.: 150~200mm 4.Loading capacity: 300~350kg 5.Steel roller bearing mold on rubber scaffold caster - rack caster, storage equipment, component, accessory, construction tool.Item No.: SCXXXERCIDia.: 150 mm, 200 mmLoading capacity: 300 kg, 350kgsteel roller bearingCustom design and OEM are welcome. rack caster, construction tool