FITS FOR: The pickup is suitable for many kinds of acoustic inst ents, 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 mit good sound quality. STICK PATCH DESIGN: With 3 stick patch ducers, it is very easy to install and you can stick it onto the inst ent to minimize the damage to inst ent body. NICE AUDIO JACK:The audio jack can replace the end pin and install the strap. Condition: 100% new<br><br>Weight: Approx. 36g Installation Method 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 patch to the position that is most acceptable for vibration, usually below the bridge 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 Jack Size: 6.35mm Pickup Diameter: Approx. 3cm / 1.2in<br><br>Package Contents: 1 x Pickup Piezo 1 x Cable Tie 1 x Block<br><br>Only 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.