TonePros AVR2G C Tune-O-Matic Bridge, bridge for electric guitars, exact replacement for ABR-1 style bridges, special designed 'G Formula' saddles based on the original vintage Nylon 66 saddle material, saddles retain the tone of the original Nylon 66 saddles, but add other hi-tech ingredients that provide a new 'slippery' surface that prevents string breakage and provides superior durability, retrofits most vintage and reissued USA guitars without modification, eliminates rattles and improves sustain, allows precise adjustment of the string height and scale through lockable saddles, better intonation range than vintage parts, 73.6 mm (2.897"") post distance, 51.65 mm (2.033"") string spacing, incl. hex key, chrome finish