Hipshot VINTAGE 6-in-Line STAG Locking Tuners Half Moon Pearl, 21/64" ID, NICKEL Upper side of Hinge width

Upper side of Hinge width = 1 25/64 inches

Beautiful machine heads with the classic round button

The PQ-4187-00 is a 3/16" thick block or slab of pure TUSQ

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Hipshot VINTAGE 6-in-Line STAG Locking Tuners Half Moon Pearl, 21/64" ID, NICKEL Upper side of Hinge widthIs your vintage tone machine drifting out of tune in the middle of the set? The Hipshot Vintage Tuner Upgrade Kit is a risk free step toward giving you consistent results from your beloved guitar. The Grip Lock system securely clamps the string ends so that your pitch remains right where you set it. The 11 32 [8. 5mm] tuning post shank and the UMP (Universal Mount Plate) allow the upgrade kit to install on your vintage guitar with no alterations to