product STC Swivel Castor pressed steel housing, uni-chromatised, STC Swivel Castor with wheel brake double ball bearing swivel head, (S-1/2) Fixed Castor wheel axle riveted (65,75mm) SKC Fixed Castor(same bolt hole centre with STC) wheel axle riveted(100,125,150mm) With wheel EM/NM/VS/VN/CBC/CNC Pc...