Beautiful rare set of Schaller M-4 tuners. Nicely aged, used but not abused. The item "Vintage 70s Schaller bass guitar M-4 tuners 2 a side Gibson Hofner" is in sale since Wednesday, April 11, 2018.This item is in the category "Musical Instruments\Guitars & Basses\Bass Guitars". The seller is "crog1109" and is located in Coffs Harbour. This item can be shipped worldwide.