The 109 Series 3-step button gives these machine heads a distinctive look and sets them apart from other Rotomatics®. The housing provides a maximum bearing for worm, gear and string post. Gear ratio is 14:1. Worm and gear are precision-cut for perfect meshing. eliminating backlash and slippage. Countersunk tension screw permits player to regulate turning tension to any degree. Enclosed gear box with special lubricant for a lifetime of trouble-free service. • Sealed-in, lubricated gears • 14:1 gear ratio • 25/64” post hole • Post length to hole: 23mm • Overall post length: 28.2mm • Weight per pc/per set: 1.6oz/9.6oz • Max. string gauge: .074” • Hardware included (bushings, washers, screws) • Drop-in replacement for: 102-18 Series 102V Series 103 Series 106 Series 109-18 Series 135 Series (Top mounting hole will be visible) 136 Series (Top mounting hole will be visible) 502 Series 509 Series Available in: For standard guitars, 3 Treble and 3 Bass, Set of 6 No. 109N Nickel No. 109C Chrome No. 109G Gold No. 109BC Black Chrome
