Rotomatics 102 Series Keystone Button Tuning Machines Black Chrome

The Grover Rotomatics 102 series keystone button tuning machines are precision-engineered tuners designed for serious musicians. With a 14:1 gear ratio, you get ultrafine tuning control, allowing you to dial in the perfect pitch. Sealed, lubricated gears provide a lifetime of smooth, accurate performance without slipping or backlash. The oversize housing gives maximum stability and bearing surface for the worm, gear and string post. You can adjust the tension to your exact specification thanks to the countersunk tension screw. Whether you play classical guitar, steel-string acoustic or archtop jazz box, the 102 series delivers tuning accuracy and reliability gig after gig.