Schaller M4 180 4L Bass Tuners Set Black Chrome Schaller M4 180 Light .Version: 4 left.Wing: M4 Light.Axle: Solid Headstock 24,2mm. Translation 1:20.Incl. 4 banjo bolts, 4 washers, 4 mounting screws.Colour:Black Chrome. Lightweight and elegant. 40% lighter than the previous M4,without sacrificing the familiar M4 specifications.Schaller quality and superior function for precise tuning.