▲GOOD QUALITY-- Made from high speed steel, high hardness ▲LONG SERVICE LIFE-- Sharp cutting-edge, high cutting ability, high accuracy, long life ▲MAIN USE-- Applicable for reaming to mould processing and handicraft processing ▲MATERIAL-- Processed surface of iron, steel, plastic, wood, copper, aluminum and other metal materials ▲MULTI-FUNCTIONAL-- Widely used for bore machining, installed in drilling machine, milling machine, etc, Manufacturer: POWERTOOL