Precision-engineered open-gear tuners bring smooth and accurate tuning to your ukulele.
The Grover Sta-Tite U99-18 series ukulele tuning machines provide precision tuning for your instrument with classic styling and interchangeable button options. These high-end tuners are mounted on a die-cast plate and feature an 18:1 gear ratio for accurate tuning. The U99-18 series tuning machines have open gears, a 22/64" post hole and an overall post length of 21 mm that fits most standard ukuleles. The tuners come with all necessary hardware for an easy drop-in replacement and are compatible with string gauges up to .074".