Detail 01
22/64 in. post hole; 21 mm overall post length
Compare these dimensions with the existing tuner installation.

Independent shopping perspective
For a U99-18 ukulele tuner replacement, this chrome Grover Sta-Tite set combines an open-gear layout with an 18:1 ratio for accurate pitch changes. Its die-cast plate, amber acrylic button options, and included mounting hardware keep the replacement focused on the existing tuner position. The 22/64-inch post hole, 21 mm overall post length, and .074-inch maximum string-gauge limit are the details to verify before installation.

Strong match
Consider the trade-offs
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
Compare these dimensions with the existing tuner installation.
Detail 02
Strings must not exceed this stated gauge limit.
Final check
Product questions
Straight answers to the questions shoppers most often ask about this product.
Yes. The tuning machines come with the necessary hardware.
Their 22/64-inch post hole and 21 mm overall post length fit most standard ukuleles.
Reference
The complete catalog record, organized around the decisions musicians make when comparing gear.