For guitars and mandolins This is the easiest way to sand your instrument's arch into the bridge bottom. The jig holds the bridge base while the bridge feet are sanded to match the instrument's top curvature.
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Tune-o-matic Bridge For Archtop Guitar
Gibson-style T-O-M mounted on top of a rosewood base. The ideal upgrade bridge for those who desire more accurate intonation on their archtop and semi-hollow electrics.