Neutrik Rean NYS221 1/4" Stereo End Pin Jack For Acoustic/Elect Guitars. Also used for thick panel instruments or equipment . Has special designed head for guitar strap, 3-pole (TRS), long-threaded bushing with washer and nut, and full metal housing. Key Features1/4" stereo (TRS) jack, non-switchedAccommodates thick panel mountingNickel finish