20Pcs 12Mm Piezo Elements Sounder Sensor Trigger Drum Disc+Wire Copper is

10Pcs 12Mm Piezo Elements Sounder Sensor Trigger Drum Disc+Wire Copper rr

5Pcs 20Mm Piezo Elements Sounder Sensor Trigger Drum Disc+Wire 6.5KHZ rb

100Pcs 27Mm Piezo Elements Sounder Sensor Trigger Drum Disc+Wire Copper br

80Pcs 27Mm Piezo Elements Sounder Sensor Trigger Drum Disc+Wire Copper vw

10Pcs 35Mm Piezo Elements Buzzer Sounder Sensor Trigger Drum Disc+ Wire Coppe cn

20Pcs Piezoresistor Piezo Resistor Pressure Sensitive 7D270K 27V ir

50Pcs Piezoresistor Piezo Resistor Pressure Sensitive 7D270K 27V ge