Grover Mandolin Machine Heads (409 Series)

Mike Lawson • Instruments & Gear • June 1, 2021

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Cleveland, OH-based Grover Musical Products announced Grover professional model mandolin machine heads (409 Series).

More details from Grover Musical Products (

The newest addition to the Grover family, these new, professional model mandolin machine heads, are the latest in technology. A specially designed, adjustable worm gear along with the die cast base maintains the center lines of the gear and worm to insure correct alignment for the finest tuning possible. Now featuring a “rounded washer head” button screw for a more vintage look. The worm to gear ratio is 18:1. Available in “A”, “F”, and “F Vintage” styles with either Pearloid, Black or White buttons. Screws and bushing provided. Available Finishes: Nickel, Gold.

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