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 jack parts Color: black + silvermaterial: metalSize: 6 2x1 56x1 56cmJack inner diameter: 1/4 inch (6 35mm) output jackEquipped with 1/4 inch(6 35mm) stereo phone jack, the endpin can work with most standard amp cords Suitable for guitar 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 Package Including2 x jack socketOnly 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