Detail 01
18:1 gear ratio
The stated ratio is intended for precision tuning.
Product detailSKU #1500000429894
GroverRoto-Grip Locking Rotomatics 502 Series Standard Button Tuning Machines - Chrome
Sale
Independent shopping perspective
The Korena take
The chrome 502 Series Roto-Grip set brings Grover’s standard-button Rotomatic design to a locking-tuner replacement. A thumbscrew holds each string in place, changing the stringing workflow during maintenance, while sealed and lubricated 18:1 gears are specified for precise adjustment and stable intonation. It is positioned for many industry-standard tuner layouts, so it suits a compatible guitar hardware update where a chrome finish and locking-string arrangement are the intended direction.
Strong match
Who this is for
- Replacing compatible standard-layout tuners with chrome locking tuners for regular restringing work.
- Guitar setups that call for 18:1 gearing for fine tuning adjustments.
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 assembly is specified as sealed and lubricated.
Final check
Know before you order
- 01Check that the guitar’s existing tuners match a compatible industry-standard drop-in layout.
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01Does this model lock the strings?
Yes. Its thumbscrew mechanism locks strings into place.
02What button style is used?
Standard buttons.
