Brushed-finish Fender Schaller Locking Tuners provide solid tuning stability by clamping the cut end of the string with a hand-tightened lock screw. There's no play in the string and you tune normally. A great way around locking nut systems that don't allow tuning on the fly. Highest quality manufacture, Schaller Locking Tuners are the same tuners used on Fender American Deluxe Series guitars.