Racers know the advantage wheel studs have over wheel bolts-reduced pIt'stop times to help win races. Benefit from their experience when you install H&R Quick-Safe(TM)TM) wheel bolt-stud conversions. H&R Quick-Safe(TM)TM) Stud Conversion kits feature a number of advantages including pretreatment with a thread locking compound, shouldered for secure seating, a corrosion resistant silver finish, and a hex key socket for fast and easy installation.