It has an insulation specification that has passed a 20,000V, 5-minute current test. The blade tip only needs to be adjusted once every 2,000 cuts. Used for cutting bolt iron wire in electrical work, etc. The blade is forged from special steel and then heat treated, and the tip is induction hardened, making it high quality and durable. The handle is made of fiberglass. The blade is longer than the standard product, making it easier to cut ACSR wire.