A 50mm threaded stem swivel castor
Clarke White Nylon Castor Wheels Fixed / Swivel / Swivel & Brake (50mm - 100mm)
Clarke Rubber Threaded Castor Wheels Swivel / Swivel & Brake (50mm - 100mm)
Clarke ML100SPU 100mm PU Swivel Castor (200kg)
Clarke ML420W-A 100mm White Nylon Threaded Stem Swivel Castor
Clarke ML125SPU 125mm PU Swivel Castor (250kg)