Square Castor Sockets for Metal Pins

Square Plastic Castor Pin Sockets or Plastic Square Castor Pin Adapters for Tube, Square Plastic Castors Sheaves, Square Castor Adaptors, Square Blind Castor Sockets, Square Open Castor Sockets, Square Castor Fixings and Square Castor Fittings, all designed over the years for various Castors and Wheels.