The size, spacing, and post mounting for each guitar bridge vary and therefore most of the parts cannot be interchanged. The Faber ABR-59 range is vintage and suitable for each type of guitar. You can get the right replacement for it and there are flat top saddles in various finishes and the saddle is removable as well. You get 100 percent mechanical contact too. ABRM Bridge : For 4mm post styles on import guitars ABRM Bridge is the direct replacement and it also enhances the tone of import guitars ABRH Bridge : If your Gibson guitar is original or from the custom shop, is a vintage model, or is from the historic collection then ABRH Bridge is worth considering. ABR-1 bridges are also known as Tune-o-Matic bridges. In fact, Both the ABR and Nashville bridges are types of Tune-o-Matic bridges. The main differences between the two can be found in their adjustability. ABRN Bridge : If you have a USA Gibson guitar then the bridge style in Nashville and ABRN is for yo...