Locking tuners can make string changes faster, but the right set starts with your guitar’s headstock—not its finish. This roundup covers ten Gotoh options for six-in-line and three-per-side layouts, including vintage-style and modern designs.
Use the product picks to narrow your choices, then check the buying guide for the fit details that matter before ordering.
Best 10 Gotoh Locking Tuners Picks for 2026
Best for Six-In-Line Tremolo Guitars
Gotoh Magnum Lock-Trad Chrome Tuners
- Six-in-line thumbscrew locking set
- Two post heights; Rock-Solid posts
- 16:1 ratio; mounting hardware included
Best For: Chrome six-in-line guitars with non-locking tremolos or heavy string bending
Best 3x3 Lock-Knob Option
Gotoh SD90-MGT Nickel Tuning Keys
- Listed 3x3 locking-key layout
- Lock-knob design
- Verify count and finish before purchase
Best For: A 3x3 Gotoh SD90-MGT lock-knob setup
Best Vintage-Style Six-In-Line Set
- Vintage stamped-housing appearance
- Rear thumbwheels; staggered posts
- Six tuners, bushings, and screws
Best For: Right-handed L6 headstocks needing vintage-style locking tuners
Best Chrome 3+3 Set
Gotoh Magnum Lock-Trad Keystone Tuners
- Three-left, three-right arrangement
- 18:1 ratio; Rock-Solid posts
- Keystone knobs; hardware included
Best For: Chrome 3+3 guitars needing thumbscrew-style locking tuners
Black 6-In-Line Pick
- Black six-in-line set
- Thumbscrew-style string locking
- 16:1 ratio; mounting hardware included
Best For: Six-in-line guitars with black hardware
Chrome 3+3 Pick
- Three-left, three-right layout
- 18:1 gear ratio
- Locking posts; hardware included
Best For: Three-per-side guitars with chrome hardware
Gold 6-In-Line Pick
- Gold six-in-line set
- Two post heights
- 16:1 ratio; mounting hardware included
Best For: Six-in-line guitars with gold hardware
Black 18:1 Pick
Gotoh Magnum Lock-Trad 3+3 Keystone Tuners
- Black finish and keystone knobs
- Thumbscrew locking; 18:1 ratio
- Six tuners and mounting hardware included
Best For: Compatible 3+3 guitars used for heavy bending or non-locking tremolo playing
Gold Hardware Pick
Gotoh Magnum Lock-Trad 3+3 Keystone Tuners
- Gold finish and keystone knobs
- Thumbscrew locking; 18:1 ratio
- Six tuners and mounting hardware included
Best For: Compatible gold-hardware 3+3 guitars used for heavy bending or non-locking tremolo playing
Chrome SG381 Pick
Gotoh SG381 MG-T 3+3 Locking Tuners
- Chrome 3+3 configuration
- MG-T locking and 16:1 gearing
- 20 mm posts; mounting hardware included
Best For: Compatible Les Paul-, SG-, or similar-style 3+3 guitars needing chrome tuners
Best for Six-In-Line Tremolo Guitars – Gotoh Magnum Lock-Trad Chrome Tuners
These gotoh locking tuners pair rear thumbscrew-style string locks with a six-in-line layout. Their two post heights and Rock-Solid posts make them a practical option for players who bend heavily or use a non-locking tremolo.
Best For: Six-in-line guitars needing chrome locking tuners with two post heights.
Pros:
- Thumbscrew-style locks secure the strings.
- Two post heights can eliminate the need for string trees.
- 16:1 gear ratio supports precise adjustments.
- Includes six tuners and mounting hardware.
Cons:
- Six-in-line arrangement will not suit a 3+3 headstock.
- Chrome finish may not match other hardware.
Choose this set if its layout and finish match your guitar; the supplied hardware and post-height options are its most useful practical advantages.
Best 3×3 Lock-Knob Option – Gotoh SD90-MGT Nickel Tuning Keys
If you need gotoh locking tuners in a 3×3 arrangement, the SD90-MGT listing specifies locking tuning keys with lock knobs and a nickel finish. Its supplied specifications are less consistent about materials and controls, so check the exact configuration before ordering.
Best For: Shoppers seeking a Gotoh SD90-MGT 3×3 lock-knob set in nickel.
Pros:
- Listed as a 3×3 locking-key configuration.
- Lock knobs provide the stated string-locking function.
- Nickel finish suits guitars with matching hardware.
Cons:
- The notes conflict on finish, describing both nickel and silver.
- The listed unit count of three is unclear for a 3×3 set.
- Materials and control details should be verified with the seller.
This is worth considering for its specified layout, but confirm the number of tuners and included parts rather than relying on the inconsistent listing details.
Best Vintage-Style Six-In-Line Set – Gotoh SD91 MG-T Nickel Tuners
Gotoh SD91 MG-T Vintage Locking Tuners, 6-In-Line L6, 05M - Nickel – 21333NYTX
Check Price On AmazonFor a classic stamped-housing look, these gotoh locking tuners combine SD91 styling with rear Magnum Lock-Trad thumbwheels. The right-handed L6 set has three 18.5 mm posts and three 20 mm posts for a staggered string path.
Best For: Right-handed six-in-line guitars needing vintage styling and locking convenience.
Pros:
- Rear thumbwheels secure strings with fewer unnecessary wraps.
- Rock-Solid posts help reduce movement and backlash.
- Includes six tuners, press-fit bushings, and matching screws.
- Nickel finish and metal 05M buttons complement the stamped housings.
Cons:
- Right-handed L6 arrangement does not fit every headstock layout.
- Press-fit bushings should be checked against your guitar’s holes.
This set is the strongest fit here when vintage appearance matters as much as quicker string changes; check layout and bushing fit before buying.
Best Chrome 3+3 Set – Gotoh Magnum Lock-Trad Keystone Tuners
These gotoh locking tuners bring rear thumbscrew-style locking to a 3+3 headstock, with chrome hardware and keystone knobs. An 18:1 gear ratio and Rock-Solid posts support controlled adjustments and reduced post looseness.
Best For: Three-per-side guitars needing chrome locking tuners with keystone knobs.
Pros:
- Includes three left and three right tuners.
- Thumbscrew-style locks suit quick, secure string installation.
- 18:1 gear ratio allows precise tuning adjustments.
- Includes six bushings, washers, and screws.
Cons:
- 3+3 configuration will not suit a six-in-line headstock.
- Chrome finish and keystone knobs may not match existing hardware.
For a compatible three-per-side guitar, this is a well-specified locking set; confirm the headstock layout and hardware fit before installing it.
Black 6-In-Line Pick – Gotoh Magnum Lock-Trad Tuners
These black gotoh locking tuners suit a six-in-line guitar when you want traditional thumbscrew-style string locking. Their two post heights and included mounting hardware make this a practical option to consider for a compatible headstock.
Best For: Six-in-line guitars, particularly non-locking tremolo setups or players who bend strings heavily.
Pros:
- Thumbscrew-style locking holds the string at the post.
- Rock-Solid posts are designed to eliminate looseness, while two post heights eliminate the need for string trees.
- 16:1 gear ratio and six bushings, washers, and screws included.
Cons:
- Six-in-line layout will not fit a 3+3 headstock.
- 16:1 ratio offers fewer turns per post revolution than the chrome 3+3 set’s 18:1 ratio.
Choose this set if your headstock uses a six-in-line layout and black hardware fits the look you want; check your existing tuner fit before ordering.
Chrome 3+3 Pick – Gotoh Magnum Lock-Trad Tuners
If your guitar has a 3+3 headstock, these chrome gotoh locking tuners provide three left and three right tuners with traditional thumbscrew-style locking. The 18:1 gear ratio is the key specification distinguishing this set from the six-in-line options here.
Best For: Three-per-side guitars, especially for players using a non-locking tremolo or frequent heavy string bends.
Pros:
- Correct three-left, three-right arrangement for a 3+3 headstock.
- 18:1 gear ratio supports precise tuning adjustments.
- Rock-Solid posts address looseness; bushings, washers, and screws are included.
Cons:
- 3+3 layout is not suitable for a six-in-line headstock.
- Chrome finish will not match a guitar outfitted with black or gold hardware.
This is the straightforward choice among these sets for a chrome 3+3 guitar. Confirm the mounting layout and dimensions against your existing tuners before purchasing.
Gold 6-In-Line Pick – Gotoh Magnum Lock-Trad Tuners
For a six-in-line guitar with gold hardware, these gotoh locking tuners combine a matching finish with traditional thumbscrew-style locking. Their two post heights are intended to eliminate the need for string trees.
Best For: Six-in-line guitars needing gold tuners, particularly non-locking tremolo setups or heavy string-bending players.
Pros:
- Gold finish in a complete six-in-line set.
- Rock-Solid posts eliminate looseness, with two post heights to avoid string trees.
- 16:1 gear ratio; six bushings, washers, and screws included.
Cons:
- Six-in-line arrangement is not suitable for a 3+3 headstock.
- Gold finish may not suit guitars with chrome or black hardware.
Pick this version when both the six-in-line arrangement and gold finish fit your project. As with any replacement tuners, compare the mounting requirements with your guitar first.
Black 18:1 Pick – Gotoh Magnum Lock-Trad 3+3 Keystone Tuners
These black Gotoh locking tuners pair traditional thumbscrew-style string locking with an 18:1 gear ratio for precise adjustments. The 3+3 set suits players who want a locking upgrade with keystone knobs.
Best For: Players with a compatible 3+3 guitar who do heavy string bending or use a non-locking tremolo.
Pros:
- Thumbscrew-style locking holds the string at the post.
- Rock-Solid posts are designed to reduce looseness, while two post heights can eliminate the need for string trees.
- Includes all six tuners plus bushings, washers, and screws.
Cons:
- The 3+3 layout is not intended for a six-in-line headstock.
- The black finish may not match existing chrome or gold hardware.
Choose this set if the black finish and 18:1 adjustment suit your build; check headstock layout and mounting fit before ordering.
Gold Hardware Pick – Gotoh Magnum Lock-Trad 3+3 Keystone Tuners
For a 3+3 guitar with gold hardware, these Gotoh locking tuners offer traditional thumbscrew-style locking and keystone knobs. Their 18:1 gear ratio gives you fine control when bringing strings to pitch.
Best For: Players seeking a gold 3+3 locking set for heavy bending or a guitar with a non-locking tremolo.
Pros:
- Thumbscrew-style locking simplifies securing the string at the tuner.
- Rock-Solid posts address post looseness; two post heights can eliminate the need for string trees.
- Includes three left and three right tuners, plus bushings, washers, and screws.
Cons:
- Does not suit a six-in-line tuner layout.
- Gold may be a poor visual match for guitars with other hardware finishes.
This is the finish-focused choice among the Lock-Trad sets here. Confirm your headstock layout and mounting dimensions before buying.
Chrome SG381 Pick – Gotoh SG381 MG-T 3+3 Locking Tuners
These chrome Gotoh locking tuners use the SG381 MG-T locking system to secure strings with fewer wraps. The three-per-side set has a 16:1 gear ratio and 20 mm posts, making it worth considering for a compatible Les Paul-, SG-, or similar-style headstock.
Best For: Players wanting a chrome 3+3 locking set with 20 mm posts and a 16:1 tuning ratio.
Pros:
- MG-T locking reduces the need for multiple string wraps.
- 16:1 gearing supports controlled tuning adjustments.
- Includes six tuners with bushings, washers, and mounting screws.
Cons:
- The 3+3 arrangement will not fit a six-in-line layout.
- The 20 mm post length may not suit every headstock thickness.
Pick this SG381 set when its chrome finish, post length, and mounting layout match your guitar; check those measurements rather than assuming every 3+3 headstock is a direct fit.
How We Picked These Gotoh Locking Tuners
We focused on the differences that help buyers choose among the ten listed sets: headstock arrangement, tuner family, knob style, and finish. The selection includes six-in-line and three-per-side configurations, vintage-style SD-series options, Magnum Lock-Trad sets, and SG381 MG-T machine heads. These are shopping distinctions, not a claim that one set will fit every guitar or deliver better tuning stability than another.
Quick Comparison
Start with the layout. For a six-in-line headstock, compare the Magnum Lock-Trad sets in chrome, black, or gold with the nickel SD91 MG-T vintage-style set. For a three-per-side headstock, look at the Magnum Lock-Trad sets with standard or keystone knobs, the nickel SD90-MGT, and the chrome SG381 MG-T. After layout, compare the mounting specifications and appearance you want; matching the visible finish alone is not enough to ensure a drop-in fit.
Key Buying Factors for Gotoh Locking Tuners
Headstock and Mounting Fit
Confirm whether your guitar needs six-in-line or three-per-side tuners, and check that each tuner faces the correct direction. Then compare your existing hardware with the exact set’s specifications: headstock-hole diameter, bushing type, post dimensions, mounting-screw position, and any locating pins. A different screw or pin pattern may require drilling, while a mismatched hole or bushing can call for additional parts or make the swap unsuitable. Model names alone do not guarantee a direct replacement.
Locking Mechanism and String Posts
Check how the set clamps the string and how you release it during a string change. MG-T models use a thumbwheel-style lock; verify the operation of the specific Magnum Lock-Trad set you are considering rather than assuming every Gotoh locking tuner works identically. Also check string-post height or staggered-post specifications if those details matter for your headstock and string-tree setup. A locking mechanism secures the string at the post, but it will not correct binding at the nut or other setup problems.
Knobs, Finish, and Measurements
Keystone and other knob shapes affect both the look and the feel when tuning. Chrome, nickel, black, and gold offer different visual matches; check the product listing for the exact finish and included hardware. Before buying, compare the manufacturer’s drawing or measurements with your current tuners rather than relying on photos.
Who Should Buy Which Gotoh Locking Tuners?
Choose a six-in-line Magnum Lock-Trad set if that layout matches your guitar and you want a choice of chrome, black, or gold. Consider the SD91 MG-T if you need a six-in-line, vintage-style option—subject to its mounting dimensions. For three-per-side guitars, the Magnum Lock-Trad keystone sets suit buyers who prefer that knob shape, while the standard-knob sets offer a different look. Compare the SD90-MGT and SG381 MG-T when their design or mounting details better match your instrument. If the dimensions do not line up, prioritize a compatible set over a preferred finish.