... , 150mm, 200mm 2 loading capacity 300-450kg 3 extra hard PU wheel and elastic rubber wheel, are availabl Shock Absorb CasterWheel ... capacity: 300kg, 350kg, 400kg, 450kgWheel Material Available: Polyurethane, extra hard PU, elastic rubberWheel Bearing: double ball bearing, or double ball bearing ... thread guardsHousing: painting housing availablecolor: red, yellow, deep greyShock Absorb Caster