Detail 01
Brass gears with 14:1 ratio
Provide the specified precision tuning operation.

Independent shopping perspective
Finished in gold, Grover’s Sta-Tite 304 Series brings traditional mandolin styling to a lightweight, durable replacement tuning-machine option. Smooth brass gears with a 14:1 ratio provide precision tuning. The stamped, engraved plates and round metal buttons give the set its classic detail, while its 25/64-inch post hole and 23.2 mm overall post length let it replace many other tuning machines.

Strong match
What matters in use
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 01
Provide the specified precision tuning operation.
Detail 02
This is the required post-hole measurement to check before installation.
Detail 03
Use this measurement when comparing the replacement to the existing tuning machines.
Final check
Product questions
Straight answers to the questions shoppers most often ask about this product.
Check for a 25/64-inch post hole and a 23.2 mm overall post length.
It has stamped plates with engraved detail, round metal buttons, traditional styling, and a gold finish.
Reference
The complete catalog record, organized around the decisions musicians make when comparing gear.