Detail 01
18:1 gear ratio
Provides precision tuning for mandolin.
Product detailSKU #1500000429855
GroverProfessional Mandolin A Style 409 Series White Button Tuning Machines Gold
1/2
Independent shopping perspective
The Korena take
These gold Grover 409 Series A Style mandolin machine heads combine white buttons and a bell-top button screw with an open-gear, modern post-hole configuration. The 18:1 ratio provides precise mandolin tuning, while the die-cast plate is intended to keep alignment correct for stable intonation. Their 25/64-inch post hole and 30.3 mm overall post length give you the measurements needed to assess the setup before purchase.
Strong match
Who this is for
- A Style mandolin setups requiring gold machine heads with white buttons.
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
25/64-inch post hole and 30.3 mm overall post length
These supplied dimensions guide the setup check.
Final check
Know before you order
- 01Check the 25/64-inch post hole and 30.3 mm overall post length against your current setup.
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01What color are these machine heads?
They are gold with white buttons.
02What post-hole size is specified?
The specified post hole is 25/64 inch.
Reference
Full specifications
The complete catalog record, organized around the decisions musicians make when comparing gear.
1 detailsBody & build
- Color
- White
