Leader back fitting mandolin machines have precision worm gears on engraved plates and pearlite buttons. We supply these tuners to luthiers building high quality mandolins. Complete with eight bushes and ten fitting screws. Please see below for fitting measurements. General Measurements: Shaft Diameter: 6mm Length of Shaft from Plate Face: 25mm (1.000") Shaft Spacing: 22mm (.866") (Pillar to pillar) String Hole Diameter in Shaft: 1.6mm (.062") Total Length of Plate: 110mm (4.333") Width of Plate: 16mm (.629") Also available: Leader high quality 'F' Style tuners for 'F' Style Mandolins.
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