Tuner

    Gotoh Gotoh SG381 Locking Tuners (Magnum Lock-Trad), 6-in-line

    The locking version of Gotoh's SG381, using their Magnum Lock-Trad system, a rear thumbscrew that clamps the string in place.

    26 guitars checked: 15 likely drop-in, 10 needs verification, 1 not compatible.

    Gotoh Gotoh SG381 Locking Tuners (Magnum Lock-Trad), 6-in-line

    Where to buy

    Amazon

    Price not publishedIn stock

    Being re-verified

    View at Amazon

    Part specs

    Tuner hole size

    10mm

    Confirmed

    Mounting pattern

    6-in-line

    Confirmed

    Gear ratio

    16:1

    Confirmed

    Guitars we've checked

    26 guitars checked: 15 likely drop-in, 10 needs verification, 1 not compatible.

    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.

    Gibson Explorer

    Gibson

    Explorer 2019

    Likely drop-in

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

    Why we say this

    Explorer uses a 6-in-line, non-staggered-post headstock rather than Gibson's usual 3+3, confirmed compatible with generic 6-in-line non-staggered aftermarket tuner sets.

    Ibanez AZ2204

    Ibanez

    AZ2204 2022

    Likely drop-in

    Matches the tuner holes already on this guitar. A straightforward locking tuner upgrade, no drilling needed.

    Why we say this

    Gotoh's locking line matches the 10mm bore standard confirmed across Ibanez AZ headstocks.

    Ibanez AZ2402 Premium

    Ibanez

    AZ2402 Premium 2022

    Likely drop-in

    Matches the tuner holes already on this guitar. A straightforward locking tuner upgrade, no drilling needed.

    Why we say this

    Gotoh's locking line matches the 10mm bore standard confirmed across Ibanez AZ headstocks.

    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 S1070PBZ

    Ibanez

    S1070PBZ 2023

    Likely drop-in

    Matches the tuner holes already on this guitar. A straightforward upgrade, no drilling needed.

    Why we say this

    Matches the confirmed 10mm bore used on this guitar's Edge Zero II-equipped headstock, and this guitar already ships with Gotoh MG-T locking tuners in the same family.

    Ibanez S670QM

    Ibanez

    S670QM 2022

    Likely drop-in

    Matches the tuner holes already on this guitar. A straightforward upgrade, no drilling needed.

    Why we say this

    Matches the confirmed 10mm bore used on this guitar's Edge Zero II-equipped headstock.

    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 on similarly shaped reverse headstocks describe aftermarket tuner screw holes not lining up with factory pilot holes.

    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

    Ibanez RGA42FM

    Ibanez

    RGA42FM 2023

    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 Dinky DK2

    Jackson

    Dinky DK2 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 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

    Jackson Soloist SL2

    Jackson

    Soloist SL2 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

    Not compatible

    This is the right-handed version. A genuine left-handed Gotoh locking tuner set is listed separately for this guitar, use that one instead.

    Why we say this

    This existing catalog entry is the right-handed Gotoh SG381 Magnum Lock-Trad set. A genuine left-handed SG381 set is catalogued separately for this guitar.

    This page has 10 open questions

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