Meets the requirements of all sanctioning bodies of racing. Will help contain the driveshaft in the event of a U-joint failure, keeping it from digging into the ground and possibly overturning the vehicle. Simple bolt-together design allows easier installation. Mounts to the floor pan with four fasteners per side offering increased strength over competitor's loops. Manufactured from CNC formed 1/4" thick, 2" wide mild steel. Finished in durable clear zinc plating.