2" & 2-5/16" EZ
Latch &
Gooseneck Couplers
Fits Cast Model Only - DOES NOT FIT Stamped Model
Trailer Latch Lock


Are you in the right place? Find out below!

If You Own A Nice Trailer 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 Demco EZ Latch And Gooseneck Trailer Locks 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 Demco Latch 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 Latch Lock Design We Could Engineer. What Else Is There? The Quality, These Stainless Steel Latch Locks Are Made In The USA Right Here In Our Own Factory In California Using InfiniteRule Machinery. By The Way, These EZ Latch 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 Demco Latch 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 Locks And Pins Are Tailor-Made For Demco Trailer Latches, Ensuring A Perfect Application Specific Fit For The Demco EZ Latch Or Gooseneck Coupler.


  • Demco EZ Latch Coupler 2″ Ball
  • Demco EZ Latch Coupler 2-5/16″ Ball
  • Demco EZ Latch Coupler Gooseneck

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.