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Guyker 6 Pcs Guitar Locking Tuners (3L + 3R Handed) - 1:21 Ratio Lock String Tuning Key Pegs
Good locking tuner pegs can ensure you to play your beloved guitar flexibly and accurately. Guyker locks guitar pegheads compatible with Gibson Les Paul, Fender Strat, SG, EPI, Tele style electric, folk or acoustic guitars. Featured with sealed machine heads and heavy-duty internal gear, it can turn smoothly, enabling the player to tune accurately and easily.
Feature:
- Replacement/Upgrade parts for electric, folk or acoustic guitars or precision instruments.
- Gear Ratio - 1:21, designed to fit modern 10mm headstock holes.
- Hex shaped button with sealed housing and 45 degree fixing tag.
- Durable and highly reliable for easy, smooth, and precise tuning.
- Made of solid materials with an elegant and professional look.
- Easy to install, quick and accurate tuning.
- With heavy duty internal gear.
- Provides finer tuning and greater stability.
- Quality sealed guitar machine heads.
Specifications:
- Style: Hexagonal Handle GK510SP-D7
- Gear Ratio - 1:21
- 3 Colors Available: Black, Chrome, Golden
Feature:
Good replacement for LP, SG, TL style electric or acoustic guitars.
Package includes:
6 pieces (3 right and 3 left handed) locking guitar tuners pegs.
Dimensions:
Gear Ratio - 1:21, designed to fit modern 10mm headstock holes.
Package Includes:
- 6 x Guitar machine head (3 per side)
- Mounting hardware (screws, bushings and washers) included
Lyle Gavin
2025-08-28 11:08:04
I bought a black 6 in line set of these for my new Ibanez and they are fantastic quality and precise with little to no backlash at all . Gears feel tight and I love the 1:21 gear ratio that these offer . I bought this chrome 3+3 set for my Ibanez GAX 70 lefty and will be installing them this afternoon . I don't see why anyone would spend $100+ on a set of elite locking tuners when these are just as accurate at a fraction of the price . I highly recommend GUYKER tuners. I think they are the best value on Amazon for a high quality affordable set of locking tuners and the locking pins lock down tightly on the strings with no slippage whatsoever . Great product , great price !!!
J.B.
2025-08-08 14:59:55
Definitely better than the stock machines on the Grote 335 style semi-hollow body I bought right here on Amazon. These locking tuner machines fit right on to the above mentioned guitar with no modifications at all which I was not expecting! Pleasant surprise indeed! So if you’ve got the same guitar as me, go for it! The black looks so sweet on this model instead of the silver/chrome. Looks quite more elegant and expensive in my opinion. The machines are very stable, silky smooth and feel quite substantial. The locking bit is quite nice and doesn’t feel rough when tightening. I didn’t notice any sharp edges on the clamping pieces where the strings go inside as others have mentioned though it’d be a good idea to check first. For under $40 I’ve got absolutely nothing negative to say! I would recommend to any family or friends with no hesitation.
Some guy who bought a phone
2025-07-29 18:42:56
These tuners are middle of the road but they do the job and are less than half what a set of Gotoh, Grovers, or Klusons will cost. My application was a new Epiphone SG Special (probably the cheapest you can buy) just to see if I could make it playable with a few cheap mods, like tuners and a better nut.I put on a Graphtech TUSQ nut and the Guyker tuners and she plays great! Clean string tone, no dead strings (nut) and it stays in tune all day! If you have an ICKY guitar, these 2 mods will help a ton!
Sarah & Jung Woo
2025-07-01 17:46:22
These dropped right into my PRS SE and are much better than the stock tuners. I love the smooth action of the higher ratio gears.
RustyNail
2025-05-07 16:22:17
I love these locking tuners. It speeds things up when changing strings and action is fairly stiff—even without a string on it. Allows for very precise adjustments.
Placeholder
2025-04-24 17:16:01
The first set of Guyker 6Pcs Guitar Locking Tuners (3L + 3R Handed) - 1:21 Ratio Lock String Tuning Keys there was one tuner with a threaded ferrule I was not able to thread on. It would go on about a half turn and then stop. Since I couldn't tighten it I ordered a second set and will return the first set.Fortunately I didn't return the first set yet because two of the tuners would not take the threaded ferrule. I managed to get a full set from the two sets so I will now return one set.Then I kept breaking the same string at the same point where it exited the tuner. I saw the edge it was wrapping on was sharp so I sanded it smooth. The others looked sharp too so I sanded them all just in case.Then, while tuning my guitar one of the tuners just kept turning for three or four turns until the string began tuning to pitch. And then it started getting tight and difficult to turn. I tried several times with the same results.I'm done trying to make them work. I was trying to save some money but it's not worth it if they don't even tune properly. I bought some Tone Ninja black locking tuners for about $14 more. But they were worth it. They installed easily and work great. I am returning the 2nd set of Guykers.
G. Krueger
2025-04-07 11:02:02
I used a set of these 3+3 locking tuners on the prototype for one of my recent builds, and there are some clear pros and cons:The Good -* The price is definitely great!* I really like the screw locks which hold the strings. They're extremely easy to use!* Once the strings are broken in (3 or 4 days), they hold tune quite well thereafter.* They look pretty nice on a guitar, and* They are fairly smooth for such inexpensive machine tuners.The Bad -* One of the six bushings on my set was very rough to get it threaded onto the tuning peg, and it was excessively tight to turn. It did not strip on me, thank goodness, but that was my fear the whole time.* I said above they are smooth. That's so long as you're tuning in one direction (tightening string tension, for example). As soon as you reverse direction (loosen string tension), there's very noticeable play before it catches on the gear again and resumes smooth movement. A higher quality tuner has no play in it.* The tuner with the tight thread above also has an extremely tight turn to it. Ironically that one is on the high "E" string, and I'm always thinking it's going to snap the string which it did with the first .09 I put on. So far the second .09 has held up.Time will tell, but I'll update is anything changes.
Danny Abbott
2025-03-13 14:32:51
Perfect fit on my PRS semi hollow body, love the locking mechanism, stays in tune, would recommend!
Bob
2025-01-27 17:45:39
As many buyers I presume, I start by looking at the bad reviews and it of course got me worried!Well, I'll tell you now, I have only good things to say! Installing is super easy, didn't have to drill, screw holes aligned perfectly.I measured and they geniunely have a 1:21 ratio, precisely.The main reason for changing the original locking tuners on my Ibanez - other than the ease of putting on new strings - was that I hoped to improve the tuning stability. The current Ibanez tuners would go drastically out of tune after a playing session or even over night...not anymore! 🙂Despite it being winter now, meaning that the differences in temperature are really high between when the heat comes on and off at night, it stays very much in tune! (of course a very slight tuning is always necessary, as it would with any guitar tuners, but it's very much playable immediately).At this price point, there is definitely nothing better and I wonder if there is really any worthy improvement with some of the more expensive and established locking tuner brands out there?
PatrickF
2025-01-12 17:27:01
I’ve used these tuning machines on 2 other guitars with great results. The last set I received would not hold a high 9 E string. It seems the post is too short. The thumb screw bottoms and the string slides out when you try to tune. I tried switching the thumb screw with a machine from another string with the same result. I simply wound the string several time like a conventional tuning machine but that really defeats the purpose of locking machines. Not sure I would purchase again.
bijohn481
2024-12-11 10:14:23
eccezionale
Tim
2024-12-03 16:36:12
I upgraded some tuners to lockers and these have proved reliable and nice to use.
Alan
2024-11-14 11:10:43
A few months ago, I bought a value for money guitar and everything was great apart from the tuners. When tuning the guitar, the standard tuners would 'jump' making it difficult to be precise with the tuning.I was apprehensive about swapping the machine heads and worried about whether the screw positions would be in the same spot as the originals. Also would more expensive ones be a better buy.I need not have worried. The Guyker machine heads are well made, quite solid feeling and fit perfectly on my guitar. The locking mechanism makes changing strings a lot quicker and hold the strings in tune as you would hope the would.I went from some 11 gauge string down to 9 gauge and it took a little while for the guitar to settle into the lighter gauge. The following morning was delightful, picked the guitar up and all stings were still 'spot on' in tune.I'd have no hesitation in recommending these tuners, great value for money and an ideal upgrade to the stock tuners.
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