The 409 Series “F” Style (staggered worm posts over gear) professional mandolin machine heads are the latest in technology and beautifully designed to complement any style mandolin. A specially engineered, adjustable worm gear and die-cast plate maintain the center lines of the gear and worm to ensure correct alignment for the finest tuning possible. • Open gears in modern “worm over” configuration • Die-cast plate • Bell-top button screw for vintage look • 18:1 gear ratio • 25/64” post hole • Post length to hole: 15.1mm • Overall post length: 30.3mm • Weight per pc/per set: 2.2oz/4.4oz • Max. string gauge: .074” • Hardware included (screws) • Drop-in replacement for: None at this time Available in: Standard 4 4, For “F” style Mandolins with Pearloid Buttons, Set of 2 No. 409FN Nickel No. 409FC Chrome No. 409FG Gold Standard 4 4, For “F” style Mandolins with Black Buttons, Set of 2 No. 409FNB Nickel No. 409FCB Chrome No. 409FGB Gold Standard 4 4, For “F” style Mandolins with White Buttons, Set of 2 No. 409FNW Nickel No. 409FCW Chrome No. 409FGW Gold
