The locking system is operated by a thumb screw on the back of the tuner for quick and easy string changes. These single tuners have their small. 01 button usually used on 6 in line sets. High quality, renowned M6 range tuners.
Schaller M6 Locking Tuners 3 x 3 135 Screw Long Posts (Chrome, .02)
Schaller M6 Mini Button Top Locking tuners 3x3 Black 10080423/10040423.01.55
Schaller R3 LockMeister, Schaller Double Locking Floyd Rose Tremolo Locking Nut…
Schaller M6 135 Machine Heads Tuners 6 IN LINE - Black
Schaller M6 Mini Gold Tuners with Ebony Buttons 3L/3R 3+3 Machine Heads
Rare Schaller M6 tuners Late 1960's
