Detail 01
18:1 gear ratio
Supports smooth, accurate tuning adjustment.
Product detailSKU #1500000429755
GroverMid-Size Rotomatics 305 Series Tuning Machines Black Chrome 6+6
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Independent shopping perspective
The Korena take
Configured 6+6, the black chrome Mid-Size Rotomatics 305 machines are built as a compact option for smaller headstocks. The 18:1 gear ratio is intended to deliver smooth, accurate tuning, while sealed and lubricated gears are described to prevent slipping and support longevity. Their compact form is intended to preserve instrument balance. A 22.4 mm post length accommodates most string gauges, giving you a defined measurement to consider for a space-efficient tuner replacement.
Strong match
Who this is for
- Installing a 6+6 tuner configuration on an instrument with a smaller headstock.
- Performance setups that prioritize steady tuning and reduced time spent fine-tuning.
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
Designed for longevity and to prevent slipping.
Detail 03
22.4 mm post length
Accommodates most string gauges.
Final check
Know before you order
- 01Confirm that your instrument requires a 6+6 tuner configuration.
- 02Check the 22.4 mm post length against your replacement requirements.
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01What tuner arrangement is this set?
It is a 6+6 configuration.
02Are the gears sealed and lubricated?
Yes. The 305 Series uses sealed, lubricated gears.
Reference
Full specifications
The complete catalog record, organized around the decisions musicians make when comparing gear.
1 detailsBody & build
- Color
- Black
