Detail 01
23 mm post length
A fit measurement to compare with the existing tuning-machine posts on your instrument.
Product detailSKU #1500000429382
GroverRotomatics 102 Series Standard Button Tuning Machines Nickel
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Independent shopping perspective
The Korena take
The nickel Grover Rotomatics 102 standard-button machines are built around a sealed, lubricated 14:1 gear system for smooth, accurate tuning adjustment. A 25/64-inch post hole and 23 mm post length define their fit, with compatibility specified for most guitars and basses. They suit instrument hardware work where those measurements align and dependable tuning stability is the priority.
Strong match
Who this is for
- Most guitar and bass installations matching the stated 25/64-inch post hole and 23 mm post length.
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.
Final check
Know before you order
- 01Confirm that your instrument matches the 25/64-inch post hole and 23 mm post length.
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01Are the gears sealed and lubricated?
Yes. The 102 series uses sealed, lubricated gears.
02What finish do these tuning machines have?
They have a nickel finish.
