Detail 01
14:1 gear ratio
Supports fine adjustments to each string’s pitch.

Independent shopping perspective
Grover Super Rotomatics 109 Series tuning machines in Gold pair a 14:1 ratio with sealed, lubricated gearing for accurate string-pitch adjustment. A countersunk tension screw lets the player set the turning resistance to their preference. For a guitar hardware update, this set concentrates on controlled adjustment and adjustable tuning-key feel rather than adding unrelated features.

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
Supports fine adjustments to each string’s pitch.
Detail 02
Lets you alter the tuning-key turning tension.
Detail 03
The gear mechanism is enclosed and lubricated.
Product questions
Straight answers to the questions shoppers most often ask about this product.
Yes. Each unit has a countersunk tension screw for setting the turning tension.
It has a Gold finish.
Reference
The complete catalog record, organized around the decisions musicians make when comparing gear.