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 inch(6.35mm) stereo phone jack, the endpin can work with most standard amp cords. Great replacement for your worn or broken guitar and bass jack parts. Color: black + silver material: metal Size: 6.2x1.56x1.56cm Jack inner diameter: 1/4 inch (6.35mm) output jack Equipped with 1/4 inch(6.35mm) stereo phone jack, the endpin can work with most standard amp cords. Suitable for guitar bass or also handy for other instruments requiring a side mount output jack. Strap button design makes it easy to attach the guitar strap. Great output jacks replacement for guitar and bass. Package Including 1 x jack socket Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.