Martin Guitars, String Action Gauge 7-string Metal Chassis Receiver

Metal Chassis Receiver

Will not work with push-on style control knobs

500 feet line of sight)

1 × Cold Shoe Mount Adapter

5"-radius scalloped maple or rosewood fingerboard with brass nut and 21 "super jumbo" frets

Martin Guitars, String Action Gauge 7-string Metal Chassis ReceiverFrom the leaders in world class acoustic tone comes a must have tool for maintaining proper setup. For use on all stringed instruments. Setup Like the Pros Standard & Metric Measurements All Stringed Instruments Suggested 12th fret action (can go lower if no buzzing is present). Bass Side Treble Side ACOUSTIC 3 32 (2. 4mm) 2 32 (1. 6mm) BASS NYLON 4 32 (3. 2mm) 3 32 (2. 4mm) CLASSICAL 5 32 (4. 0mm) 4 32 (3. 2mm) UKULELE 5 64 (2. 0mm) 5 64 (2. 0mm)