... hot-dip 3.Application: High Voltage NLD-1Features1.NLD strain clamp(Bolt type)2.Material:Cast-iron&Steel with hot-dip4 ... and low voltage product, such as lamp holder, socket, plug, light, switch, connector, fuse, insulator, spindle, cable, doorbell, test pen, etc ... ISO9001, CE, VDE certification. Hope to cooperate with you!! Suspension clamp