Fix loose jacks instantly, tighten jacks and save your gig without taking anything apart! This handy tool tightens jacks on guitars, amps, and pedals. It works from the outside to prevent twisting and breaking the delicate solder joints inside the jack. Simple and inexpensive, it’s a pocket-sized fix for a very common problem. Put one in your gig bag, jacks always fail when you least expect it!

Fix your jack in three easy steps:
– Put the socket head over the 1/2″ nut
– Press the rubbery Grip-Tip™ into the jack to hold it
– Turn the tightening handle. That’s it!

It has a brass socket for a lifetime of heavy use and fits 11 mm nuts for 1/4″ inch jacks, common for import instruments.