External Locking Nut

TPi Premium Protection Line of Locks protects your valuable wheels and tires from theft. We are the “Ounce of Prevention” so you don’t have to worry about the “Pound of Cure.” Fulfilling customers’ safety concerns and requirements, TPi produces several anti-theft wheel lock systems that fasten wheels, at the same time protecting them from theft. All wheel locks function like a regular lug nut, but requires a special key tool for installation and removal.

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External Locking Nut

Classic External Locking Nut

For those customers who prefer economic version wheel locks, TPi suggests classic external locking nut, which has various key patterns and provides basic anti-theft function.

Quick Identification

Thread size is stamped on every lug nut for easy and quick identification for customers.


Laser Hologram

Here are some features of hologram to identify TPi Genuine products.

Registration Card

A registration card is included in EVERY set for the customer to register the key code on our official website for a spare key if a key is lost. Key replacement is for FREE! The customers only needs to shows the registration card and pay for the freight to get a FREE spare key.

Register Here!


With more than 40 years of experience, TPi has become the expert in forging wheel nuts. We are devoted to making products that meet the highest standard of safety and durability.
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