Material:Carbon steel + PVC handle coated Heat treatment: No acidification 42-50HRC for body High frequency 54-62HRC for blade Surface treatment:Anti-rust oil Size:135mm Package:12pcs/box N.W.:101g/pcs G.W.:1.42kg/box Applicable to cut off different kind of thin wire,circuit board,plastic leefover material. Control Box wiring of Industrial Robot. IC Printed Board and Computer wirings Home Electronic Appliances. Radio and other Telephone and Telegram wirings. Electric Circuit of Automobile. Other Precision wirings for D.I.Y Items.