Chrome molybdenum steel. 80 cutting edge angle. Manufactured and tested according to the standard IEC 60900 for work under voltage up to 1000 volt (by qualified electricians). Heavy duty model with pipe grip and serrated grip surfaces. With ergonomically designed two component handle sleeves. Length: 200mm Cuts Piano Wire: 2.0mm Cuts Steel Wire: 2.2mm Cuts Iron Wire: 4.0mm