More from Guyker →Ready to Ship (US) | Guyker GK-D-405SP Dopamine Locking Tuners No Screws
$73.49
In stock at guyker.com
The Guyker GK-D-405SP tuners are locking guitar tuners that mount with a screw-in hex bushing and a locating pin instead of rear screws. They use a 1:18 gear ratio, a 6 mm post that fits 10 mm peg holes, and sealed die-cast zinc housings with brass gears. A set weighs about 216 g, and Dopamine two-tone finishes sit alongside chrome and gold. This is the Ready to Ship (US) listing.
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Highlights
- Locking posts for faster restrings
- 1:18 gear ratio
- Fits 10 mm peg holes; 6 mm post
- Post height 26.2 mm; takes strings up to 1.8 mm
- Sealed die-cast zinc housing, brass gears
- No-screw mounting with a locating pin
Best for
Electric guitar players upgrading to locking tuners who want a color accent on the headstock.
Things to consider
- Your headstock must have 10 mm holes; vintage 8.5 mm holes need reaming.
- No-screw mounting relies on a pin that must line up with your headstock or existing holes.
- Layout must match your headstock (inline 6R/6L or 3+3).
Key specs
| Price | $73.49 |
|---|---|
| Model | GK-D-405SP |
| Gear ratio | 1:18 |
| Peg hole | 10 mm |
| Post | 6 mm diameter, 26.2 mm tall |
| Weight | 35 g each / 216 g set |
| Layouts | 6R (For Right-handed guitar), 6L (For Left-handed guitar), 3R+3L |
| Finishes | 6 options |
Our take
Good-value locking tuners with clear measurements; the color options are the draw.
Ready to Ship (US) | Guyker GK-D-405SP Dopamine Locking… at a glance
| Brand | Guyker |
|---|---|
| Price | $73.49 |
| Type | Tuning Machines |
| Options | 6 colors, 3 packagings |
| 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 $73.49, the Ready to Ship (US) | Guyker GK-D-405SP Dopamine Locking… 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 $53.99.
Frequently asked questions
Will the GK-D-405SP fit my guitar?
Check for 10 mm peg holes and the right layout: 6R or 6L for inline headstocks, 3R+3L for three-per-side.
What gear ratio are they?
1:18.
Do they need screw holes?
No. They use a pin and screw-in hex bushing; the pin position must match your headstock.
How much is the Ready to Ship (US) | Guyker GK-D-405SP Dopamine Locking…?
Guyker lists it at $73.49 on guyker.com. We refresh prices throughout the day, but always confirm the final price at checkout.
Is there a coupon code for the Ready to Ship (US) | Guyker GK-D-405SP Dopamine Locking…?
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 Ready to Ship (US) | Guyker GK-D-405SP Dopamine Locking… 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 Ready to Ship (US) | Guyker GK-D-405SP Dopamine Locking… come in?
Color: Red + Gold + Red Button, Blue + Purple + Blue Button, Blue + Gold + Blue Button, Black + Gold + Gold Button, Gold, Chrome. Packaging: 6R (For Right-handed guitar), 6L (For Left-handed guitar), 3R+3L.
Where can I buy the Ready to Ship (US) | Guyker GK-D-405SP Dopamine Locking…?
The Ready to Ship (US) | Guyker GK-D-405SP Dopamine Locking… 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 Ready to Ship (US) | Guyker GK-D-405SP Dopamine Locking… 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.
