Our 160mm swivel castors with a white nylon wheel are suitable for a range of heavy duty applications carrying 900kg each and just over 2 tonne with all four castors combined. The foot operated wheel brake simultaneously brakes both the swivel caster head and the wheel. These fabricated casters are ideal for oil based environments such as marine and oil rigs, scaffolding and towers. 160mm Heavy Duty Braked Castor Swivel Nylon Wheel