This modern styled bass bridge allows for either string-thru body or bridge applications. It is non-ferrous and has a unique height adjustable style saddle to afford better contact for increased sustain in conjunction with extra stability for correct string spacing. Comes with mounting screws and allen wrench for intonation adjustment. Important Specs and Dimensions: Base Plate width = 4 3/8 in. (111.125mm) Base Plate length = 1 3/4 in. (44.45mm) Base Plate Height = 7/16 in. (11mm) String Pitch = 43/64 in. (17mm)