The Grover Sta-Tite U99-18 series tuning machines provide precise, reliable tuning for your ukulele. You'll appreciate the smooth, accurate 18:1 gear ratio that lets you dial in perfect pitch. Vintage-inspired aesthetics like an open-gear design and nickel button lend a classic touch while sturdy die-cast construction ensures durability. Easy installation thanks to included mounting hardware—simply remove your existing tuners and drop these in place. For ukulele players seeking pro-level performance and style, the Grover Sta-Tite U99-18 series delivers.