Use this cylinder input output jack to replace the noisy or malfunctioning output jack on your guitar! This stereo endpin jack is fast becoming an industry standard for acoustic guitar manufacturing.Equipped with 1/4"(6.35mm) stereo phone jack, the endpin can work with most standard cords. The cylinder is designed with 3 prong jack that can be in stereo or mono. Great replacement for your worn or broken acoustic folk guitar jack parts. Feature - Color: Black - Material: Copper - Finish: plating - Size: 5.3 x 2.5 x 1.3 cm - Jack inner diameter: 1/4 inch (6.35mm) output jack - Equipped with 1/4"(6.35mm) stereo phone jack, the endpin can work with most standard cords. - Suitable for guitar bass or also handy for other instruments requiring a side mount output jack. - The cylinder socket is designed with 3 mounting screws 3 prong jack that can be in stereo or mono. - Strap button design makes it easy to attach the guitar strap. - Great output replacement for acoustic folk guitars. Package list: 1 x Guitar output jack