... wheel 1-15 tons of heavy fixed steering polyurethane caster wheel, heavy fixed steering rubber caster wheel, heavy iron fixed steering caster wheel ... ,000 kilograms items short movement 2,add heavy-duty caster wheel , strong and durable.3,and heavy-duty caster wheel choose pressure bearing, roller ... plastics or galvanized.5,you can select different materials (nylon, pu, cast iron, rubber) caster wheel.