Swivel castor with total lock, tail end of castor, housing made of pressed steel, bright zinc plated, blue passivated, double ball bearing swivel head, wheel axle with nut, bolt hole. Wheel centre made of Polypropylene, Tread: TENTEprene (thermoplastic rubber), grey non-marking, precision ball bearing , with thread guards Castors can be mounted with standard screws; various length screws can be used.
