Bolt-on design allows easy installation, driveshaft removal unnecessary. For larger diameter aftermarket and O.E.M. driveshafts. Meets the requirements of all sanctioning bodies of racing. Will help contain the driveshaft in the event of a front U-joint failure, keeping it from digging into the ground and possibly overturning the vehicle. Includes quality hardware for loop halves. Manufactured from mild steel with a long-lasting black powder coat finish.