Kluson KRG-3-NP 3+3 Revolution Pearloid Button Tuner Set - NickelThe Kluson Revolution 19: 1 high ratio tuning machine retains the traditional footprint with newly designed sealed die cast housing. These state of the art tuners are designed to directly retrofit die cast tuners with a hex head bushing, traditional Kluson two screw mounting pattern and modern 25 64 inch peghole. The vintage outline, pearloid keystone button and pin stripes pay tribute to Kluson heritage while the brand new housing appearance