This 200mm braked castors are made of a zinc plated housing which ensures the castors are robust enough and suitable for a variety of environments. The braked swiveling castors , with the white nylon wheel are strong robust and durable and suitable for moving machinery and equipment. The foot operated wheel brake simultaneously brakes both the swivel castor head and the wheel. These 8 Nylon Castors with a brake can carry loads of 400kgs each 200mm Swivel Nylon Castors with Brake