These are etremely accurate replacements for the wing hinges that come with the 1/350 Klingon Bird of Prey from AMT and Round 2. With it's individual, interlocking fins, this four part set allows you to place the hinges in any of the configurations possible for this model. It also allow for a dynamic wing that can be moved after building. It should not require any modification of the model to use. Configurations are viewable in the product images.
Also for this set:
Accurate Impulse Drive Replacement
Accurate Underside and Torpedo Launcher Details