Item Type: Guitar Battery CaseColor: BlackMaterial: PlasticUse: The size is suitable for guitar and bass.(Battery is not include) .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; } 1The 9v battery case's shape is flat that easy to mount and replacement for active pickup guitar and bass. 2The guiutar battery case is made of high quality plastic material, and the well quality will bring you a good experience. 3A battery box with a soldered circuit, including a contact spring, a circuit, and a 2pin plug. If you dont need a plug, you can cut it off and use a wire to solder directly. 4The product include one guitar battery case and four mounting screws, and not include battery. 5The product is suitable for guitar and bass, you should kown the size what you want.