6/10/18 Pcs Piezo Discs with Wires, 27mm Disc Element Sensor Wire for Guitar Drum Trigger (12Pcs)

WIDE APPLICATION: The Piezo Disc is suitable for folk guitar, for cigar box guitar, drum trigger, etc. HIGH SENSITIVITY: The Piezo Disc has high sensitivity, which is and stable, and red wire is positive pole and white wire is negative pole. EASY TO USE: These pre-wired piezo pickups are easy to install, very useful for you to use. SIZE: Piezo pickup plate diameter 27mm, thickness 0.4mm; wire length 33mm(13"), small, thin and lightweight. GUARANTEE: Our product have 180 days warranty, if you have any question about this product, please feel free to contact us, we will try our best to help you solve your problem.