uxcell 20 Pcs Piezo Discs 27mm Acoustic Pickup Transducer Microphone Trigger Buzzer CBG Guitar auspowers_batchsix testing your body pH or

testing your body pH or testing the pH of your drinking water

SAFETY: Pwr+ cables manufactured with the highest quality materials

small and lovely

fully meet the requirements of sanitary level

uxcell 20 Pcs Piezo Discs 27mm Acoustic Pickup Transducer Microphone Trigger Buzzer CBG Guitar auspowers_batchsix testing your body pH oruxcell 20 Pcs Piezo Discs 27mm Acoustic Pickup Transducer Microphone Trigger Buzzer CBG Guitar Description This item are brass piezoelectric discs which are essential parts for pickups of acoustic instruments. All the discs are made from selected copper, ensuring excellent conductivity and long lasting use. It can be easily installed and suitable for many kinds of instrument like acoustic guitars, drums. Great for acoustic instrument pickups, stomp