DescriptionPiezo discs are great for constructing pickups for acoustic instruments. Many users love them as the pickup in cigar box guitars, and they are a favorite amongst people experimenting with electric drum triggers. All the discs are made from selected copper, its conductivity is well.Feature- Color: Yellow. - Material: Copper. - Size: Approx. 2.9 x 2.9 cm / 1.2 x 1.2 inch (L x W). - Great for acoustic instrument pickups, stomp boxes, mics, etc. - Widely used in acoustic guitars, CBGs, drums, and microphones. - 29mm brass outer diameter plate. - All the discs are made from selected copper, its conductivity is well.
