Features: 1.Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information; 2.If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed. 3.Made of high-quality . 4.This product has good elasticity and rapid rebound. 5.Used to transmit the vibration of the drumhead to the piezoelectric sheet, so that the piezoelectric sheet is normally stressed Specifications: Material: Color:Black,White Brand name: Unbranded Size: 36 x 20mm/1.42 x 0.79inch(Dia x L).
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