... wheel, industrial iron caster wheel, full iron wheel, industrial full iron caster wheel, dome full iron caster wheel, flat-roofed iron wheel, orbit ... round (U, I, V, T type), door wheel Light cast iron caster wheel 3-5 inches. Industrial heavy thickening 4-8 ... frame according to conditions of use choose spraying plastics or galvanized.2.Heavy-duty casters wheel choose pressure bearing, roller ...