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String Swing Guitar Jack and Ferrule Tool  Brass 

(Brass)  Sku #713107000121000

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String Swing

A tool to tighten loose guitar jack plugs without getting inside your instrument.

This Jack and Ferrule tool offers a quick and easy way to tighten a loose jack plug on any surface-mounted input. Just insert the tool into the jack and use the Allen wrench to tighten the internal, hexagonal-head, set screw. This gives the holding power needed to tighten the retainer nut without having to go inside the instrument. This tool also works great for removing 1/4" string ferrules.

A must-have guitar tool for luthiers!