... 1.wheel diameter:75mm-200mm 3.thread stem caster Rubber caster thread stem type,roller bearing with steel ... plated finishSwivel,rigid and swivel with double brake,thread stem type,flat stem type,swivel&swivel with ... 2.size: 3.color: 4.mounting ways(fixed,plate,thread,bolt hole) 5.quantity: 6.surface finishing: 7. ... suitable wheels and casters. Rubber caster thread stem type,roller bearing with steel core