TThe TonePros Model NVR2P is a AVR2 style bridge engineered with vintage accuracy, modern technology, and compatibility in mind. This second generation AVR2 bridge is engineered to directly retrofit all Nashville style bridges, allowing for an easy transition to vintage feel and tone on modern instrument. It comes standard with Nashville style US thread posts and inserts, but is specially designed to also fit most AVR2 style posts and spacing. NVR2P maintains all of TonePros’ great locking technologies and quality consistency that TonePros components are famous for. The TonePros NVR2P comes with pre-notched saddles. Post to Post Spacing: 2.93 inches/ 74.mm