Porcelain insulator 1. material: porcelain/ceramic 2. color: white 3. various styles avaliable Porcelain insulator,ceramic insulator 1. insulator for high voltage2. fittings: iron, copper3. styles: cap, pin4. customized styles accepted5. safe usage, high quality and favorable price!If you want to know the further information, plz contact us. High voltage insulator