Glove-like fit for Atwood yoke latch couplers ensures secure and easy installation
Patented Cobra tubular keyway system resists key duplication for high security
Manual operation allows for reliable, tool-free use in any condition
Corrosion-resistant construction maintains performance in harsh environments
Fits 2-inch yoke-latch trailer couplers and secures safety chains
Summarized by Shop
Description
Model 2178-A was designed to fit the Atwood Yoke Latch trailer couplers. This style trailer coupler is usually found on open Utility Trailers or Travel Trailers.
Designing the best coupler locks is not an easy task. We pride ourselves on producing a "glove like" fit coupler lock. Rest assured that Proven Industries trailer lo
Fits
2-inch yoke-latch trailer couplers
Material
Plastic, Metal
Lock Type
Manual, 7-pin tubular keyway
Key System
Cobra standard (patented, free)
Condition
New
Manufacturer Type
Aftermarket, OEM
Summarized by Shop
4.8
346 ratings
5
4
3
2
1
This is one bad boy. No issue with my order, once i locked my trailer with this, i was relieved, no more worry. Its heavy duty, wish they made a lock for an ATV, id buy it in a heartbeat!!
Dave · August 13, 2026
Great product, perfect fit
Easy to use. Gives us a good sense of security when leaving the camper unattended.
C
Chris · August 23, 2026
Very well made
I'm very impressed with this lock. It seems as sturdy as the videos you guys put out. I hope I never have to find out how good it is. I'm pleased now and hope it stays that way.