... rubber,steel 2.capacity:40-100kg 3.indoor caster,non-marking caster TPR rubber bolt hole casterSpecification: Size50*18mm,75*21mm,100*27mm, ... for your reference :Swivel,rigid and swivel with double brake,thread stem type,flat stem type,swivel&swivel with double ... brakebolt hole type,swivel&swivel with brake is available Main productsIndustrial casters,Shopping cart ...