






GK-55NSP-IV Lock String Tuners Machine Heads For ST TL Guitar
$31.49–$39.99
In stock at guyker.com
Upgrade your ST or TL style guitar with a stable 6R locking tuner set. These locking tuning machines feature a 1:15 gear ratio and are designed for compatible 9 mm tuner peg holes. Key Features Locking tuner design: Helps improve string changing efficiency and tuning stability for compatible electric guitars. 6R…
Shop now at Guyker →Code
ALEKSANDRBODNARSee all 922 Guyker products·Visit guyker.com
Price and stock from guyker.com, refreshed daily. We may earn a commission if you buy.
GK-55NSP-IV Lock String Tuners Machine Heads For ST TL… at a glance
| Brand | Guyker |
|---|---|
| Price | $31.49–$39.99 |
| Type | Guitar Tuning Machines |
| Options | 2 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 $31.49, the GK-55NSP-IV Lock String Tuners Machine Heads For ST TL… is mid-range for Guyker, whose 922 listed products run $0.98 to $367.49.
Similar items from other brands we track run $12.99 to $796.
About this product
From Guyker's product listing:
Upgrade your ST or TL style guitar with a stable 6R locking tuner set. These locking tuning machines feature a 1:15 gear ratio and are designed for compatible 9 mm tuner peg holes. Key Features Locking tuner design: Helps improve string changing efficiency and tuning stability for compatible electric guitars. 6R layout: Designed as a 6-in-line right-side tuner set for standard right-handed ST / TL style guitars. 1:15 gear ratio: Provides smooth and controlled tuning adjustment. 9 mm peg hole fit: Made for guitars with compatible 9 mm tuner mounting holes. Fitment reminder: Please confirm your guitar’s peg hole diameter, post height, and mounting screw position before installation. Technical Specifications SKU / Model GK-55SP-IV Product Type Locking Guitar Tuners Suitable For ST / TL style electric guitars Layout 6R Gear Ratio 1:15 Peg Hole Requirement 9 mm
Frequently asked questions
How much is the GK-55NSP-IV Lock String Tuners Machine Heads For ST TL…?
Guyker lists it at $31.49–$39.99 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-55NSP-IV Lock String Tuners Machine Heads For ST TL…?
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-55NSP-IV Lock String Tuners Machine Heads For ST TL… 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-55NSP-IV Lock String Tuners Machine Heads For ST TL… come in?
Color: Gold, Nikle. Packaging: 6R (For Right handed guitar).
Where can I buy the GK-55NSP-IV Lock String Tuners Machine Heads For ST TL…?
The GK-55NSP-IV Lock String Tuners Machine Heads For ST TL… 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-55NSP-IV Lock String Tuners Machine Heads For ST TL… 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-55NSP-IV Lock String Tuners Machine Heads For ST TL… expensive?
At $31.49 it is mid-range for Guyker ($0.98 to $367.49 across 922 products), and similar items from other brands run $12.99 to $796.
More from Guyker
Shop all Guyker →Alternatives from other brands

Stirlingkit
CNC Milling Machine Display Model With Glass Dome Cloche
$669.99–$759.99
Shop at Stirlingkit →
−20%
−35%$31.49–$39.99Shop now at Guyker →






