This new product helps in the difficult tasks of installing or repairing loose guitar jacks.
It also works great for installing and removing string and tuner ferrules.
This self contained tool expands to lock itself inside of any receiver.
Once the tool is locked in place, the handle gives you an
easy way to keep hold of the jack until it is secured in place.

For the holding power that you need to install & remove 1/4" guitar jacks, tuner & string ferrules. Insert the male end of the tool into jack or ferrule. Insert 5/64" allen wrench into set screw & turn clockwise to tighten, expanding prongs for as much holding pressure as needed. Do not tighten screw when not in use.