This 125mm light duty stainless steel bolt hole swivel braked castors with electrically conductive wheels which are suitable for lightweight applications where anti static castors are required. The stainless steel braked castors are non corrosive and resistant and the light weight electro conductive rubber wheels are anti static, light and durable. The foot operated brake simultaneously brakes both the swivel head and the wheel.*** THIS VERSION IS NOW SUPPLIED WITH A PLASTIC BRAKE (NOT METAL) ***