Swivel Caster(Heavy Duty Series) Dia.100-200mm Cap.300-450kgs Double ball&Swivel Head ... & Plate in 6mm thickness PP Wheel Swivel Caster (Heavy Duty Series) Specification : Heavy Duty Caster /Four Size available (4'',5'',6 ... ,350,400,450Kgs) Load Height / Four Size available(142,164,190,240mm) Top plate Diameter in 102*115 Plate Size in ...