... it's widely used in property, decorating, home furnishing,car,industrial and mining,enterprise and public institution,schools, everydayrepairs, ... blade head made by the machine tool cutting,48°C hightemperature quenching, nickel plating and other kinds of manufacturing ... made by injection molding, wonderful appearance with neat streak. 4.function:test voltage test range 110V~500V AC/DC5.Materials ...