Tuner

    406 Rotomatic 18:1

    by Grover

    Grover's classic sealed-gear Rotomatic tuner, 18:1 ratio, a long-standing standard replacement for vintage-style tuners on 10mm-hole guitars.

    Easy install

    1 guitar checked: 1 likely drop-in.

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    Price

    Not published

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    Part specs

    Bridge type

    Not published

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    Pickup type

    Not published

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    Tailpiece

    Not published

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    String spacing

    Not published

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    Tuner hole size

    10mm

    Confirmed

    Scale length fit

    Not published

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    Dimensions (L × W × D)

    Not published

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    Installation notes

    Grover Rotomatics are the standard 10mm-hole reference point for tuners generally, a common drop-in on any guitar already using modern 10mm tuner bushings.

    Guitars we've checked

    1 guitar checked: 1 likely drop-in.

    Epiphone Les Paul Standard 50s

    Epiphone

    Les Paul Standard 50s 2020

    Likely drop-in

    Direct swap for the stock Vintage Deluxe tuners, no reaming needed.

    Why we say this

    Grover Rotomatics are the standard 10mm-hole reference point, consistent with the current Epiphone LP's 10mm bushings.