Don’t torch frozen/damaged lug nuts off – just drill out the lug nut threads and the wheel stud ONLY in 11 minutes or less. Easily replace damaged lug nut and wheel stud. Does not damage rim. NEW & IMPROVED 16mm STEP UP COBALT DRILL BIT. Comes with a locking collar clamp for safety. Includes 4 drill guides. Packaged in a custom blow molded carrying case.