tremolo, pitch 11,3 mm, steel block, steel sheet metal saddles with USA thread screws, 6 pivot poin This tremelo unit is intentionally aged to match the rest of a vintage guitar. &;lt;br&;gt;The intentionally aged tremolo is part of the relic serie parts that we carry. You can upgrade all the parts on your instrument to high quality reliced parts to fit your vintage instrument. &;lt;br&;gt;&;lt;br&;gt;The vintage style Gotoh tremolo has the steel block and steel sheet metal saddles for improved tone. The perfect finish looks and feels just as you have always wanted. &;lt;br&;gt;&;lt;br&;gt;