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 DESIGN: With 3 stick transducers, it is very easy to install and you can onto the instrument to minimize the damage to instrument body. AUDIO :The audio can replace pin and install the strap. Condition: 100% new Weight: Approx. 36g Installation 1. 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 to the position is acceptable for vibration, usually below 3. Attach a fixing pad to the appropriate position and fix the long connecting wire to the fixing pad with a fixing strip. colour:black Material:Metal + ABS size:Cable Length: Approx. 60cm / 23.6in Size: 6.35mm Pickup Diameter: Approx. 3cm / 1.2in Package Contents: 1 x Pickup Piezo 1 x Cable Tie 1 x Block Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.