Features: The coil is made of silk film, that is soft, durable, high reliability and low consumption. Sound film components with right and left taking wires, it is convenient to wire. The shape of the coil is a dome, design for tweeter speakers accessory. Low of distortion and the treble is clear and transparent. Suitable for DIY, speakers, home speakers repairation. Specification: Material : Silk Film Coil Material: Copper Coil Inner Diameter : 19mm / 0.75" Terminal Length: 43mm / 1.69" Package Content:1 x Dome Tweeter Voice Coil