This 125mm fabricated swivel castor with brake is made of welded steel plate that has a zinc chromatised finish. This extremely heavy duty castor houses a polyurethane wheel with a cast iron centre. This polyurethane wheel has a max load capacity of 550kg combine four of these heavy duty casters and get a max capacity of 1650kg. These wheels are also suitable for extreme industrial indoor and outdoor environments. 125mm Heavy Duty Fabricated Castor with Brake Polyurethane Wheel