FITS FOR: The pickup is suitable for many kinds of acoustic instruments, such as guitar, ukulele, mandolin, banjo, etc.GOOD SOUND: It is able to eliminate interfering external sounds and not be influenced by sound reflections from nearby objects. So it can transmit good sound quality.STICK PATCH DESIGN: With 3 stick patch transducers, it is very easy to install and you can stick it onto the instrument to minimize the damage to instrument body.NICE AUDIO JACK:The audio jack can replace the end pin and install the strap.Condition: 100% newWeight: Approx. 72gInstallation Method1. Remove the tail nails and widen the tail holes to the appropriate width (about 1-1.5cm in diameter)(without tail nails, find the right position to open the hole)2. Stick the patch to the position that is most acceptable for vibration, usually below the bridge3. Attach a fixing pad to the appropriate position and fix the long connecting wire to the fixing pad with a fixing strip.colour:blackMaterial:Metal + ABSsize:Cable Length: Approx. 60cm / 23.6inJack Size: 6.35mmPickup Diameter: Approx. 3cm / 1.2inPackage Contents:2 x Pickup Piezo2 x Cable Tie2 x BlockOnly the above package content, other products are not included.Note: Light 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.