Keep your trailer secure with the BulletProof Extreme Duty Coupler Lock, engineered for unmatched strength and protection. Designed to prevent unauthorized trailer hookups, this heavy-duty lock provides peace of mind whether your trailer is in storage, on the job site, or parked at home. Built with high-grade materials and precision machining, it’s one of the toughest coupler locks available on the market.

Features & Benefits:

• Extreme Duty Construction – Designed for maximum strength and tamper resistance

• Universal Fit – Works with most standard trailer couplers

• Anti-Theft Design – Prevents unauthorized towing and protects your investment

• Corrosion-Resistant Finish – Built to withstand harsh outdoor conditions

• Easy to Use – Quick installation and removal for daily use

Specifications:

• Material: Heavy-duty hardened steel

• Finish: Corrosion and weather-resistant coating

• Application: Fits standard trailer couplers (check sizing before purchase)

• Use: Secure trailers against theft and unauthorized towing