Home / Proven Industries Coupler Latch Pin Lock, Stainless Steel, Fits Most Coupler Styles, Stainless Steel, Made in The USA, Model 651

Proven Industries Coupler Latch Pin Lock, Stainless Steel, Fits Most Coupler Styles, Stainless Steel, Made in The USA, Model 651

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  • Detail

    Our story began with a family trailer being stolen with thousands of dollars of

    equipment inside. We decided to develop strong, durable locks to ensure that wouldn’t happen again to anyone.

    The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. Merchant Video

    Proven Industries


    Our latch pin lock was designed to be compatible with multiple popular trailer coupler styles. This lock securely latches your coupler's handle in the closed position to prevent any unwanted decoupling. Our stainless latch pin locks are machined in the USA from domestic billet materials. Also includes a durable stainless steel locking pin. This latch pin lock works in conjunction with our coupler locks for the ultimate protection.

    The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. Merchant Video

    How did we get our start?

    Built to Last

    Heavy-Duty Latch Pin Lock

    video

    • HEAVY-DUTY TRAILER SECURITY: Protect your trailer, camper, or boat from theft with this durable stainless steel latch pin lock. Engineered for maximum strength and long-lasting performance.
    • UNIVERSAL FIT DESIGN: Designed to fit most popular trailer coupler styles, this 1/4" diameter pin with a 7/8" span ensures a secure, tight connection for dependable protection wherever you travel.
    • ANTI-THEFT KEY SYSTEM: Features a unique key design and advanced internal locking mechanism to resist picking, duplication, and tampering—giving you confidence your trailer stays where you left it.
    • PREMIUM STAINLESS STEEL BUILD: Crafted from corrosion-resistant stainless steel for superior weather protection and toughness in any environment—rain, snow, or heat.
    • PROVEN INDUSTRIES: We are dedicated to providing our customers with the most effective trailer locks on the market. We carefully research and manufacture our locking systems from conception to fabrication in the USA.
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