More from Guyker →GK-510D73SP Guitar Locking Tuners Machine Heads
$35.99–$52.49
In stock at guyker.com
The Guyker GK-510D73SP is a 3R+3L locking tuner set with a 1:21 ratio, screw-in hex bushings and full mounting hardware. The specs list a 9.8 mm peg hole, though the page also references 10 mm holes. Each weighs 37 g. Chrome, black or gold finishes are available. It suits 3+3 guitar owners wanting locking tuners.
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Highlights
- Locking design
- 1:21 gear ratio
- 3R+3L layout
- Screw-in hex bushings
- Chrome, black or gold
Best for
Les Paul or SG style owners wanting affordable locking tuners.
Things to consider
- Peg hole spec is listed as 9.8 mm but also references 10 mm; measure carefully
- Weight 222 g per set
- Professional fitting may be needed
Key specs
| Price | $35.99–$52.49 |
|---|---|
| Layout | 3R+3L |
| Gear ratio | 1:21 |
| Peg hole | 9.8 mm |
| Weight | 37 g each / 222 g set |
| Post diameter | 6 mm |
Our take
A good-value 3+3 locking set; confirm the peg hole size.
GK-510D73SP Guitar Locking Tuners Machine Heads at a glance
| Brand | Guyker |
|---|---|
| Price | $35.99–$52.49 |
| Type | Locking Tuners |
| Options | 3 colors, 1 packaging |
| 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 $35.99, the GK-510D73SP Guitar Locking Tuners Machine Heads 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 $796.
Frequently asked questions
Will they fit 10 mm holes?
The page mentions 10 mm compatibility while the spec says 9.8 mm. Compare the size chart with your guitar.
What is included?
Six tuners, bushings, screws and ferrules.
How much is the GK-510D73SP Guitar Locking Tuners Machine Heads?
Guyker lists it at $35.99–$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 GK-510D73SP Guitar Locking Tuners Machine Heads?
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 GK-510D73SP Guitar Locking Tuners Machine Heads 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 GK-510D73SP Guitar Locking Tuners Machine Heads come in?
Color: Chrome, Black, Gold. Packaging: 3R+3L.
Where can I buy the GK-510D73SP Guitar Locking Tuners Machine Heads?
The GK-510D73SP Guitar Locking Tuners Machine Heads 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 GK-510D73SP Guitar Locking Tuners Machine Heads 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 GK-510D73SP Guitar Locking Tuners Machine Heads expensive?
At $35.99 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 $796.
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