Detail 01
18:1 gear ratio
Allows smaller tuning changes.
Product detailSKU #1500000470789
Grover102SV Roto SB Guitar Tuning Machines Chrome
Independent shopping perspective
The Korena take
The chrome Grover 102SV Roto SB set gives a guitar clear-capped tuning machines with the gears visible beneath the caps. Sealed gears with internal oil are paired with an 18:1 ratio for close tuning adjustments. Turning resistance is adjustable at the tension screw, allowing the player to set the key feel. They are specified for 25/64-inch post holes, accept strings up to .074 inch, and come with the needed hardware.
Strong match
Who this is for
- Replacing guitar tuners on an instrument with 25/64-inch post holes.
- Making fine tuning adjustments with an 18:1 gear ratio.
- Guitars strung with gauges up to .074 inch.
Consider the trade-offs
When to look elsewhere
- Guitars with post holes other than 25/64 inch.
- String gauges above .074 inch.
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
Adjustable tension screw
Lets you change the resistance when turning the tuning keys.
Detail 03
Clear caps
The internal gears remain visible.
Final check
Know before you order
- 01Confirm that your guitar has 25/64-inch post holes.
- 02Confirm that your string gauge does not exceed .074 inch.
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01What post-hole size do these tuning machines require?
They fit guitars with 25/64-inch post holes.
02Can I adjust how the keys turn?
Yes. A tension screw adjusts how firm or free the tuning machines feel.
03Is installation hardware included?
Yes, the required hardware is included.
