Extra heavy duty castors made of pressed steel zinc plated, housing a 125mm polyurethane wheel mounted on an aluminium centre for added strength. Carrying loads of 362kg each these industrial castors run on ball journal bearings, making the heavier loads easier to move. The foot operated wheel brake simultaneously brakes both the swivel castor head and the wheel. These lockable castors are suitable for a range of heavy duty applications. Overall height 164mm, 4 x M10 Bolt Fixing Plate for ease of attachment.