... :3"-5" 3.capacity:80-120kg 4.double ball bearings Shopping cart wheels double ball bearings,orange pu tread,black pp core ... bolt hole caster,swivel&swivel with brake Main productsIndustrial casters,Shopping cart casters,Furniture casters,Institutional casters,Medium duty casters,Heavy duty ... offer us the following details and we will quote our best price and make samples for you. 1. material: 2.size ...