The 409 Series “A” Style (worm post 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 “A” style Mandolins with Pearloid Buttons, Set of 2
No. 409N Nickel
No. 409C Chrome
No. 409G Gold
Standard 4 + 4, For “A” style Mandolins with Black Buttons, Set of 2
No. 409NB Nickel
No. 409CB Chrome
No. 409GB Gold
Standard 4 + 4, For “A” style Mandolins with White Buttons, Set of 2
No. 409NW Nickel
No. 409CW Chrome
No. 409GW Gold













