Universal Trailer Coupler Lock
Trailer Coupler Lock

Are You Ready To Upgrade Your Trailer Security?

You've Probably Thought About How Much Someone Else Might Want Their Own Trailer To Tow With! Our Team At InfiniteRule Has Been Thinking The Same Thing, So On This Page, You’ll Find The Best Universal Trailer Coupler Lock Money Can Buy. If You're An Owner Of A Trailer You Use For Towing Or Your Favorite Hobby You’ll Want To Keep Reading.

These Heavy-Duty Trailer Tongue Locks Are Made From High-Strength Stainless Steel And Feature A Unique Double-Locking Mechanism That Makes It Extremely Difficult To Break. This Also Keeps Your Trailer Safe From The Tools Of Thievery (Pliers?). InfiniteRule Locks Look Good, They’re Corrosion Proof, And They’re The Best Trailer Lock Design We Could Engineer. What Else Is There? The Quality, These Trailer Locks Feature A High Strength Carbon Steel Lock Carrier and Stainless Steel Pin Lock That Are Made In The USA Right Here In Our Own Factory In California Using InfiniteRule Machinery. By The Way, These Trailer Coupler Locks Are Keyed Alike Using "One-Key" Technology. That Just Means We Can Make Keys For You Forever And You Can Have The Same Key For Every InfiniteRule Lock.

Keep Your Trailer Secure From Theft With Quality Demco Trailer Locks

InfiniteRule Trailer Locks Are Designed For Hardworking People Who Take Pride In Ownership. We Make The Best Trailer Locks From Premium Stainless Steel Right Here In The USA! There Are A Ton Of Benefits To Purchasing American Made Coupler Locks.


  • Premium Quality American Craftsmanship
  • Designed, Rated, and Inspected For Safety
  • Precision Fit For Your Demco Trailer Coupler Latch
  • A Customer Service Team That Truly Cares

How Does InfiniteRule Stack Up Against The Competition?

There Are Many Trailer Locks To Choose From But We Promise, InfiniteRule Is Really The Best! Our Company Values Push Us To Produce Trailer Tongue Locks Of The Highest Quality That Are Feature-Rich.

Key Features:

  • Machined From Durable Stainless Steel
  • Weatherproof Rubber Caps Protect From Rust And Corrosion
  • Passed Through Rigorous Third-Party Testing
  • Keyed Alike For Convenience - One Key Works All Your Locks
  • Proudly Made In The USA At Our California Factory

Is This The Right Demco Latch Lock For You?

Our Coupler Locks are Are Made To Fit Many Trailers With An Thoughtfully Engineered Design, Ensuring A Perfect Application Specific Fit To Secure Trailer Coupler.


  • InfiniteRule Security – Universal Trailer Coupler Lock

Get Peace Of Mind And Protect Your
Trailer Today. Click The Images Above To Browse Our Full Line Of Heavy-Duty, American-Made Locks For Your Specific Towing Setup.