Check the listing for details. Genuine Tone Ninja 19:1 Locking Tuners, 7 String 3x4 set, Black Nickel. Color: Black Nickel, Condition: New. Listed at 68.75 USD. Genuine Tone Ninja 19:1 Locking Tuners, 7 String 3x4 set, Black Nickel Manufacturers Part Number: TLBN-3x4 The new Tone Ninja locking tuners were engineered to be good looking, reliable, and a great upgrade for almost any guitar. With a locking wheel and a 19:1 gear ratio, you can be assured of tuning precision and stability. Available in Chrome, Black, Gold, Nickel and Satin chrome and in most popular six and seven string formats including left handed. Fits guitars with a 10 mm modern peghead hole size. See the Tone Ninja Locking Tuner FAQ for specifications and button options. Seventh string tuner can accommodate string gauges up to 0.085" Contents:7 Tone Ninja Locking tuners7 screws7 bushings7 washers Buy with confidence from SportHiTech, an authorized Tone Ninja Dealer. All products are factory fresh and in original retail packaging.