Grover 304C Mandolin Machines
Grover 304C Mandolin Machines, Set of tuners for mandolin, Open, 4-On-A-Plate design, Configuration: 4 left / 4 right, Gear ratio: 14:1, Engraved base plate, Metal shafts, Shaft diameter: 6 mm, Shaft spacing: 23 mm, Finish: Chrome