3x Altoparlante HiFi Isolamento Piedini Picchetto Base Sfera Centrale M8 Vite High End
Design For HIFI. Spikes can be installed to separate your players, amplifier or other audio components from vibration. And less noise. Screw length : 20mm Screw Size ： M8 // 8mm. Housing Material ：magnesium alloy + center alloy ball.