This 160mm fixed castors is made of a zinc plated housing which ensures the castors are robust and suitable for a variety of environments. The fixed castors, with the white nylon wheel are strong robust and durable and suitable for moving machinery and equipment. The white nylon wheel contains roller bearings making it easier to move whilst maintaining core strength. Fixed castors can be teamed up with swiveling castors or braked castors for maximum control when moving. 160mm Fixed Castors Nylon Wheel