10pcs 12mm 15mm 18mm 20mm 27mm 31mm 35mm 41mm 50mm Piezo Elements Sounder Sensor Pad Round Trigger Drum Disc Copper
![10pcs 12mm 15mm 18mm 20mm 27mm 31mm 35mm 41mm 50mm Piezo Elements Sounder Sensor Pad Round Trigger Drum Disc Copper](http://ae01.alicdn.com/kf/H31e59b7ba7a5447489ded1895d083b20N/10pcs-12mm-15mm-18mm-20mm-27mm-31mm-35mm-41mm-50mm-Piezo-Elements-Sounder-Sensor-Pad-Round.jpg_350x350.jpg)
sku: 4000463931259
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$0.49
Shipping from: China
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