Estone 12PC Piezoelectric Piezos Amplifiers Discs Leads For Cigar Box Guitar Pickups
100% brand new and high qualityPlate Material: BrassIt's suitable for installing in cigar box guitars, foot stompers and other home-made instrumentsThey can also be used for custom pickup arrangements in more traditional stringed and percussion instrumentsEasy to install, convenient to useResonant Frequency (kHz): 4.6 +/- 0.5kHzResonant Impedence (ohm): 300 maxCapacitance (nF): 20.0 +/- 30% [1kHz]Plate Diameter:Approx.2.7cm/1.06''Lead Length: Approx.33cm/12.9''Color: As the pictures showQuantity:12 Pc　Package includes:Piezos Amplifiers Discs Leads x 12