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TPi locking nuts set the highest standards in the industry. Cold-forged locking nuts can achieve 12.9 Class in strength, are coated with 96 hours Triple Nickel Chrome finish and are 100% manually and visually tested.

TPi locking nuts are conveniently packed in a TPi clamshell with 4 locking bolts, 1  key and 1 Key ID Card.

TPi's anti-theft wheel lock systems fasten wheels, at the same time protecting them from theft.

All wheel locks function like a regular lug nut, but require a special key tool for installation and removal.




  • Narrow Groove Patterns - resistant to the intrusion of lock removal tools.

  • Heat Treated - Every locking bolt undergoes heat treatment reaching the hardness required for it's unsurpassed level of security.

  • Perfect fit - Extreme accuracy in tolerances give a perfect fit every time.

TPI (Taper Pro) is solely imported in the UK by:
Sixonetwo Ltd
Unit 12 Premier Business Park
Dencora Way
Luton LU3 3HP

01582 592207