P-REP 6 Pack Lock Nuts Tuning - Stainless steel
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Locks nuts for the nuts trucks. Set of 6 to replace standard nuts on axles and king pins. Never lose a nut again and no mess from the thread lock.
A standard tool fits these locknuts perfectly. There is a small clear insert in the round top part of these nuts. Make sure the thread of the axle/kingpin makes contact with that insert. The insert is what does the locking.