artigo: SM1810
identificação produto: 50166

endpin jack wrench
No more painful arm contortions when working through a soundhole! A machined slot lets this wrench slide neatly over the jack's wire, solder prongs and nut.

The specially modified deep-socket 9/16" hollow-shaft nut driver solves the problem of tightening an endpin jack's installation nut inside a guitar.