JackTight Acoustic: Acoustic Guitar Output Jack & End-Pin Repair Kit
JackTight Acoustic is a specially designed tool for tightening end-pin and output jacks of acoustic guitars.This tool sports a smaller head tip and shorter length of tubing (than JackTight Electric) for easy tightening on most acoustic guitars.Package includes 1 JackTight Acoustic tool and a one-of-a-kind wrench for tightening the output jack of most guitars. This slim wrench is  inch on one side and 12mm on the other.A must-have tool in every acoustic guitarist's toolbox!U.S. Patent #: 8,312,621 B2Also, check out JackTight Electric: output jack repair kit for electric guitars and basses!