Model 2178-D

Model 2178-DDescription Model 2178 D is designed to fit Demco raised latch Stamped couplers (as seen in the FINE PRINT section). This model was manufactured with a formed carbon steel outer housing to completely encapsulate the coupler head and latch. This lock model will be able to secure most safety chains up to 3 8" in the dedicated chain locking compartment. If you have a 2" Cast Demco Coupler, please see Model 2178 D1 . Designing the best coupler locks is

and designed to withstand harsh road conditions and outdoor environments without jamming

This lock weighs nearly 20 pounds and is intended for lighter duty trailers with smaller tires

and 2 non-locking pins with safety clips — everything needed for a secure

unlike those flimsy sheet metal types

Powder Coated Finish

Fits 2" receivers

Trailer coupler lock Model 2517-RT will not fit any other trailer coupler

Solid steel welded collar securely held in place with a 303 Stainless Steel pin

000lbs we cannot guarantee the lock will not break

off-center spacer plates

Precision Construction

or 9") and a dual ball mount that fits both 2" and 2-5/16" couplers