Zinc plated swivel/brake castor with very strong top plate bracket made of welded steel with a combination of thrust ball bearing and taper roller bearing in swivel head, with dust protection ring.
Foot operated brake that locks both swivel and wheel simultaneously.
Wheel with green convex elastic polyurethane moulded on cast iron centre.
Hardness of tread: 83° shore A
Bolted wheel axle.
High wear resistance and very good floor preservation, non-marking. The convex tread gives the wheel a low start, turning and rolling resistance. Good chemical resistance to many aggressive substances.