Tuner

    Gotoh Gotoh SG381 Tuners (Standard, Non-Locking), 6-in-line

    Gotoh's SG381 is a compact, sealed-gear tuner used across a wide range of electric guitars, built on the modern 10mm post standard.

    20 guitars checked: 13 likely drop-in, 7 needs verification.

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    Where to buy

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    Part specs

    Tuner hole size

    10mm

    Confirmed

    Mounting pattern

    6-in-line

    Confirmed

    Gear ratio

    16:1

    Confirmed

    Guitars we've checked

    20 guitars checked: 13 likely drop-in, 7 needs verification.

    Fender American Performer Mustang

    Fender

    American Performer Mustang 2019

    Likely drop-in

    Should swap straight into the existing tuner holes, no reaming needed.

    Why we say this

    Standard curved Fender-style 6-in-line headstock at a 10mm hole.

    Fender American Performer Stratocaster

    Fender

    American Performer Stratocaster 2019

    Likely drop-in

    Should swap straight into the existing tuner holes, no reaming needed.

    Why we say this

    Standard curved Fender-style 6-in-line headstock at a 10mm hole.

    Fender Jim Root Telecaster

    Fender

    Jim Root Telecaster 2021

    Likely drop-in

    Should swap straight into the existing tuner holes, no reaming needed.

    Why we say this

    Standard curved Fender-style 6-in-line headstock at a 10mm hole.

    Fender Player Jaguar

    Fender

    Player Jaguar 2021

    Likely drop-in

    Should swap straight into the existing tuner holes, no reaming needed.

    Why we say this

    Standard curved Fender-style 6-in-line headstock at a 10mm hole.

    Fender Player Jazzmaster

    Fender

    Player Jazzmaster 2021

    Likely drop-in

    Should swap straight into the existing tuner holes, no reaming needed.

    Why we say this

    Standard curved Fender-style 6-in-line headstock at a 10mm hole.

    Fender Player Stratocaster

    Fender

    Player Stratocaster 2023

    Likely drop-in

    Should swap straight into the existing tuner holes, no reaming needed.

    Why we say this

    Standard curved Fender-style 6-in-line headstock at a 10mm hole.

    Fender Player Telecaster

    Fender

    Player Telecaster 2023

    Likely drop-in

    Should swap straight into the existing tuner holes, no reaming needed.

    Why we say this

    Standard curved Fender-style 6-in-line headstock at a 10mm hole.

    Ibanez AZES40

    Ibanez

    AZES40

    Likely drop-in

    Should swap straight into the existing tuner holes, no reaming needed.

    Why we say this

    Ibanez AZ series uses a curved Fender-like 6-in-line headstock, not the pointed reverse style.

    Ibanez RGA42FM

    Ibanez

    RGA42FM 2023

    Likely drop-in

    Matches the tuner holes commonly used on this guitar family. A straightforward upgrade.

    Why we say this

    Standard non-locking tuners at the common 10mm bore used across current Ibanez fixed-bridge models.

    Jackson Dinky DK2

    Jackson

    Dinky DK2 2021

    Likely drop-in

    Matches the tuner holes already on this guitar. Your locking nut already handles tuning stability, so these are a straightforward smoother-feeling swap.

    Why we say this

    Standard non-locking Gotoh tuners at the confirmed 10mm bore used across Jackson headstocks. The locking Floyd nut handles tuning stability, so locking tuners are not required.

    Jackson Soloist SL2

    Jackson

    Soloist SL2 2022

    Likely drop-in

    Matches the tuner holes already on this guitar. Your locking nut already handles tuning stability, so these are a straightforward smoother-feeling swap.

    Why we say this

    Standard non-locking Gotoh tuners at the confirmed 10mm bore used across Jackson headstocks. The locking Floyd nut handles tuning stability, so locking tuners are not required.

    Schecter C-1 Hellraiser

    Schecter

    C-1 Hellraiser 2022

    Likely drop-in

    Should swap straight into the existing tuner holes, no reaming needed.

    Why we say this

    Standard Gibson-style single-cut 3+3 layout on a 10mm hole.

    Squier Deluxe Stratocaster

    Squier

    Deluxe Stratocaster

    Likely drop-in

    Should swap straight into the existing tuner holes, no reaming needed.

    Why we say this

    Standard curved Fender-style 6-in-line headstock at a 10mm hole.

    ESP LTD MH-1000

    ESP

    LTD MH-1000 2022

    Needs verification

    Hole size should match, but this guitar has a pointed reverse headstock where aftermarket tuner screw holes sometimes do not line up.

    Why we say this

    MH series uses ESP's inline reversed headstock, owner reports describe aftermarket screw holes not lining up.

    Help confirm this fit

    Ibanez JEM Jr (Steve Vai)

    Ibanez

    JEM Jr (Steve Vai) 2019

    Needs verification

    Hole size should match, but this guitar has a pointed reverse headstock where aftermarket tuner screw holes sometimes do not line up.

    Why we say this

    Ibanez pointed reverse headstock, screw hole alignment not guaranteed.

    Help confirm this fit

    Ibanez RG550 Genesis

    Ibanez

    RG550 Genesis 2018

    Needs verification

    Hole size should match, but this guitar has a pointed reverse headstock where aftermarket tuner screw holes sometimes do not line up.

    Why we say this

    Ibanez pointed reverse headstock, screw hole alignment not guaranteed.

    Help confirm this fit

    Ibanez RG652 Prestige

    Ibanez

    RG652 Prestige 2018

    Needs verification

    Hole size should match, but this guitar has a pointed reverse headstock where aftermarket tuner screw holes sometimes do not line up.

    Why we say this

    Ibanez pointed reverse headstock, screw hole alignment not guaranteed.

    Help confirm this fit

    Jackson Kelly KEX

    Jackson

    Kelly KEX 2022

    Needs verification

    Hole size should match, but Jackson's reverse headstock is known for aftermarket tuner screw holes not lining up.

    Why we say this

    Jackson pointed reverse headstock, screw hole alignment not guaranteed.

    Help confirm this fit

    Jackson King V KVX

    Jackson

    King V KVX 2021

    Needs verification

    Hole size should match, but Jackson's reverse headstock is known for aftermarket tuner screw holes not lining up.

    Why we say this

    Jackson pointed reverse headstock, screw hole alignment not guaranteed.

    Help confirm this fit

    Jackson Rhoads RR3

    Jackson

    Rhoads RR3 2021

    Needs verification

    Hole size should match, but Jackson's reverse headstock is known for aftermarket tuner screw holes not lining up.

    Why we say this

    Jackson pointed reverse headstock, screw hole alignment not guaranteed.

    Help confirm this fit

    This page has 7 open questions

    If you have fitted any of these to this Gotoh SG381 Tuners (Standard, Non-Locking), 6-in-line, tell us what you found and we'll update the data.