bridge block, American Vintage Strat Pure Vintage Parts Many of Fender’;s Pure Vintage parts are crafted where possible on the same tooling and machinery as our original-era Fender parts. Whether you are personalizing, modifying or restoring, there is no better way to maintain the proud heritage and period-correct accuracy of your classic Fender instrument or amp. Features Vintage-accurate Stratocaster machined steel tremolo block Pre-tapped to accept a standard 10-32 threaded tremolo arm Used on American Vintage Stratocaster®; guitars Fits most Stratocaster tremolo systems with vintage (2 3/16&;quot;) mounting spacing