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.- Set of four Pure Vintage chrome-plated stamped clover-leaf style open-gear tuning machines with mounting screws- Fender stamped onto each tuning machine plate- Gear ratio 20:1- Tuning post is 1.215 tall- Used on American Vintage '74 '75 and American Original '70's Basses- Fits most '70s-era basses; will not retrofit to American Standard or American Deluxe basses