Model GRB-78 for Bulldog or Ram Brand Gooseneck Couplers

Description Model GRB-78 will fit your Ram or Bulldog gooseneck trailer coupler. Please refer to the coupler fit image above to confirm that you have a Ram or Bulldog gooseneck coupler. **Please note that this lock is not compatible with the Bulldog BX1 coupler. Please see our other options or contact our customer service team if you need help identifying which product to purchase. 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 lock products will leave you with simply the best coupler lock on the market. In addition, no other trailer coupler locks can secure your safety chains. Fine Print Gooseneck Trailer coupler lock model GR may not fit all trailer couplers. Please look at trailer coupler lock index pictures. This lock will not fit the Bulldog BX1 series couplers. *Please note, product pictures may not represent current model, as products are revised* Lock Core