TonePros NVR2 G Tune-O-Matic Bridge, Tune-O-Matic Bridge For Electric Guitars, It fits all Nashville style bridges without modifications, Standard US thread for bolts and sleeves, It fits most AVR2 style mounting bolts and bolt spacings, Longer and improved sustain, It allows exact adjustment of the string action and scale length due to lockable saddles, Bolt spacing: 73.66 mm (2.9