Generic Plastic Castor Pin Sockets or Plastic Castor Socket Pins, Plastic Castor Sockets, Plastic Castor Sheaves, Nylon Plastic Castor Sockets, Plastic Castor Sleeves, Castor Inserts, Castor Fixings, Castor Fittings, Castor Adaptors and Plastic Castor Sockets, designed over the years for various types of Castors and Wheels.
As a generic range of sockets so with thousands of different castors on the market, there's no guarantee these will fit so we'd always recommend you try before you buy.