Detail 01
18:1 gear ratio
The listed gearing is intended to allow precision tuning.
Product detailSKU #1500000429896
GroverRoto-Grip Locking Rotomatics 502 Series Standard Button Tuning Machines - Nickel
1/8
Independent shopping perspective
The Korena take
These nickel 502 Series Roto-Grip tuning machines offer Grover’s standard-button Rotomatic arrangement with a thumbscrew locking mechanism. Strings are locked into place by the thumbscrews, making this set relevant for a compatible guitar being restrung or updated. The sealed, lubricated 18:1 gears are described for precise tuning and stable intonation. Their drop-in positioning covers many industry-standard tuner layouts, but the existing instrument hardware remains the essential fit check.
Strong match
Who this is for
- A compatible guitar hardware update using standard-button tuners in nickel.
- String changes where a thumbscrew locking mechanism is wanted at each tuner.
What matters in use
The specifications, translated
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 02
Sealed, lubricated gears
The gear system is described as sealed and lubricated.
Final check
Know before you order
- 01Confirm that the existing tuner layout is among the industry-standard formats this set can replace.
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01What finish does this set use?
Nickel.
02Can the strings be locked in place?
Yes. The thumbscrew mechanism locks the strings in place.
Reference
Full specifications
The complete catalog record, organized around the decisions musicians make when comparing gear.
4 detailsOther
- Category Source
- detail
- Tier
- new
- Korena Special
- false
- Source Id
- site51500000429896
Worth comparing
1 of 12
