set2: 1 x Guitar Bass Cylinder Flush Mount Output Jack Black + 1 x Bass wired boardNew and high qualityCompact contact and high sensitivityAnti-noisy to offer you a perfect toneCylinder shaped, color in blackCompatibility: jazz and bass guitarsColor: Silver/blacksize:151*68mmThe switch plate is suitable for use with jazz and bass guitars and is fully loaded and ready to install with knobs and wires already in place.1. Material: metal2. Size: length 4.9cmPackage included:1 x Guitar Bass Cylinder Flush Mount Output Jack Black1 x Bass wired boardOnly the above package content, other products are not included.Note: Light shooting 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.