... are available Premium Quality & Modern Technology & Attractive PriceFeatures1Anti-pollution suspension porcelain insulator(fog type)2 Material:porcelain & Steel3 Nominal Diameter:255 ... as lamp holder, socket, plug, light, switch, connector, fuse, insulator, spindle, cable, doorbell, test pen, etc. And most of ... orders! Hope to cooperate with you! Fog Type Anti-pollution Suspension Porcelain Insulators