TonePros TPFR N - Metric Tune-O-Matic Bridge with Roller Saddles (Large Posts) - Nickel, Tune-O-Matic bridge for electric guitars, retrofits most guitars with metric hardware without modification, roller saddles provide superior performance on all Bigsby-style tremolo equipped guitars, strings roll smoothly over the bridge and always return exactly in tune, use tremolo systems without the worry of going out of tune , intonation adjustment with flathead screwdriver on the pickup side, allows precise adjustment of the string height and scale through lockable saddles, large posts, metric threaded inserts, 73.8 mm (2.905"") post distance, 51.5 mm (2.027"") string spacing, incl. hex key, nickel finish