More from Guyker →Guyker GK-510D4SP Locking Tuners with 1:21 Gear Ratio for LP and SG Electric Guitars
$39.99–$52.49
In stock at guyker.com
Guyker's GK-510D4SP locking tuners offer a 1:21 gear ratio in a 3R+3L set for LP, SG and other guitars with 10 mm holes. Each tuner weighs about 46 g, posts are 6 mm, and the string hole sits 28 mm high. The set includes bushings, screws and ferrules in Chrome, Black or Gold.
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ALEKSANDRBODNARSee all 922 Guyker products·Visit guyker.com
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Highlights
- Locking tuners, 1:21 ratio
- 3R+3L for 10 mm holes
- 6 mm posts, 22 mm tall
- Screw-in hex head bushings
- Chrome, Black or Gold
Best for
LP and SG players wanting a fine-ratio locking tuner set.
Things to consider
- Compare housing size and screw location with your current tuners.
- Minor modification may be needed.
- Price varies by finish.
Key specs
| Price | $39.99–$52.49 |
|---|---|
| Model | GK-510D4SP |
| Gear ratio | 1:21 |
| Peg hole | 10 mm |
| Weight | 46 g each, 276 g per set |
| Includes | 6 tuners, bushings, screws, ferrules |
Our take
A well-documented locking set for LP/SG guitars.
Guyker GK-510D4SP Locking Tuners with 1:21 Gear Ratio for… at a glance
| Brand | Guyker |
|---|---|
| Price | $39.99–$52.49 |
| Type | Locking Tuners |
| Options | 3 colors, 1 packaiging |
| Availability | In stock at guyker.com |
| Coupon | ALEKSANDRBODNAR |
| Returns | Items can be returned within 30 days of purchase in original condition with packaging… |
Price check
At $39.99, the Guyker GK-510D4SP Locking Tuners with 1:21 Gear Ratio for… is toward the top of Guyker's price range, whose 922 listed products run $0.98 to $367.49.
Similar items from other brands we track run $12.99 to $143.99.
Frequently asked questions
Are GK-510D4SP tuners for 3+3 headstocks only?
Yes, this listing offers the 3R+3L configuration.
What hole size?
10 mm.
How much is the Guyker GK-510D4SP Locking Tuners with 1:21 Gear Ratio for…?
Guyker lists it at $39.99–$52.49 on guyker.com. We refresh prices throughout the day, but always confirm the final price at checkout.
Is there a coupon code for the Guyker GK-510D4SP Locking Tuners with 1:21 Gear Ratio for…?
Guyker's store-wide code ALEKSANDRBODNAR can be entered at checkout on guyker.com. Guyker sets the discount, and some items or sale prices may be excluded.
What is Guyker's return policy?
Items can be returned within 30 days of purchase in original condition with packaging intact; you cover shipping on returns for personal reasons. Defects must be reported within 48 hours, and Guyker covers shipping on approved replacements.
How long does Guyker take to ship?
Standard shipping is free on orders of $59.99 or more and $5.99 below that. Orders take 1 to 3 business days to process and 7 to 14 business days in transit for the main zone, which includes the US, Canada, Australia, France and Germany.
Does the Guyker GK-510D4SP Locking Tuners with 1:21 Gear Ratio for… come with a warranty?
Guyker's published warranty terms: A one-year limited warranty covers defects in workmanship or materials for the original purchaser of parts bought on guyker.com. Guyker repairs or replaces at its discretion, and the buyer pays any shipping on the claim.
What options does the Guyker GK-510D4SP Locking Tuners with 1:21 Gear Ratio for… come in?
Color: Chrome, Black, Gold. Packaiging: 3R+3L.
Where can I buy the Guyker GK-510D4SP Locking Tuners with 1:21 Gear Ratio for…?
The Guyker GK-510D4SP Locking Tuners with 1:21 Gear Ratio for… is sold directly by Guyker on guyker.com. The Shop now button on this page goes straight to the product there, and code ALEKSANDRBODNAR can be applied at checkout.
Is the Guyker GK-510D4SP Locking Tuners with 1:21 Gear Ratio for… in stock?
Yes. Guyker lists it as in stock on guyker.com as of our latest check. Stock and prices refresh throughout the day.
Is Guyker a legit store?
Guyker is a good fit for players and hobby builders who want budget-friendly tuners, bridges and small hardware with clearly listed specs. Skip it if you need a part tomorrow, since standard delivery is quoted at 7 to 14 business days after 1 to 3 days of processing. Measure your peg holes, string spacing and post spacing before ordering, because fit is the whole game with replacement hardware. Our full Guyker review covers shipping, returns and what to check before ordering.
Is the Guyker GK-510D4SP Locking Tuners with 1:21 Gear Ratio for… expensive?
At $39.99 it is toward the top of Guyker's range ($0.98 to $367.49 across 922 products), and similar items from other brands run $12.99 to $143.99.
