Schaller M4S Tuning Keys 1970s Gibson
Manufacturer: Gibson
Part Type: tuner
German-made two-per side Schaller M4S tuning keys. These were fitted to early 70s Gibson EB basses: EB0, EB3, EB4L, SB350 and SB450, but also several other brands including Guild. Chrome plated. Complete set of four with ferules and washers. Good working order.
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