Setting up and maintaining your Fender® bridge assembly is easy with saddle height adjustment wrenches, which can be used on most of our guitar assemblies. Set of 12 adjustment wrenches, short-arm .050" short arm design. Used on most Cyclone™, Classic, Deluxe, Vintage Player, Pawn Shop™, Road Worn®, American Vintage, American Series, American Deluxe Series, Highway One™, American Special guitars. Fit most USA inch-sized Fender guitar bridge assemblies.