Fender Tuning Keys '70's "F" Strat/Tele (Set of 6) 0990822100 Fender® offers a wide variety of high-quality vintage-style and contemporary guitar tuning machines. Package includes six '70s style tuning machines with "F" logo. Mounting hardware included. Used on American Vintage (US) and Classic Series (Mexico) models. Will not retrofit to American Standard, American Deluxe Series (US) or Standard Series (Mexico) models.