Detail 01
18:1 gear ratio
Provides a fine adjustment range for accurate tuning.
Product detailSKU #1500000429763
GroverMid-Size Rotomatics 305 Series Tuning Machines Chrome Reverse 6-in-line
Independent shopping perspective
The Korena take
The chrome reverse 6-in-line version of Grover’s mid-size 305 Series is made for compact installations on smaller guitar headstocks. An 18:1 ratio gives you controlled, precise tuning movement, while its sealed and lubricated gears are designed to prevent slipping and support long-term use. With 22.4 mm posts that accommodate most string gauges, it keeps the focus on dependable tuning hardware in the stated reverse 6-in-line layout.
Strong match
Who this is for
- Replacing tuners on a smaller guitar headstock with a reverse 6-in-line arrangement.
- Making fine tuning adjustments before or during a performance.
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
22.4 mm post length
Accommodates most string gauges.
Final check
Know before you order
- 01Confirm that your guitar uses the reverse 6-in-line configuration.
- 02Confirm that the headstock has room for this mid-size design.
