Detail 01
25/64-inch post hole
Accommodates heavier-gauge strings.
Product detailSKU #1500000429370
GroverRotomatics With 18:1 Gear Ratio 102-18 Series Standard Button Tuning Machines Gold
1/2
Independent shopping perspective
The Korena take
The gold Grover Rotomatics 102-18 Series standard-button set is built around a sealed, lubricated 18:1 gear ratio for careful tuning adjustments. Its oversized housing has a 25/64-inch post hole that accommodates heavier-gauge strings, and the 28.2 mm post provides additional winding room. A countersunk screw allows tension adjustment, while the tuning action is described as smooth and free of backlash.
Strong match
Who this is for
- Guitar setups using heavier-gauge strings that need the stated 25/64-inch post hole.
- Restringing work where a 28.2 mm post's added winding room is useful.
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
28.2 mm post
Provides more winding room.
Detail 03
Countersunk tension screw
Allows adjustment of tuning tension.
Final check
Know before you order
- 01Check that your guitar's requirements suit the 25/64-inch post hole and 28.2 mm post.
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01Are these suitable for heavier-gauge strings?
The oversized housing includes a 25/64-inch post hole that accommodates heavier-gauge strings.
02Can the tuning tension be adjusted?
Yes. The countersunk tension screw lets you adjust it to your preference.
Reference
Full specifications
The complete catalog record, organized around the decisions musicians make when comparing gear.
1 detailsBody & build
- Color
- Gold
