•1. T12 carbon tool steel casting, blade quenching treatment, high hardness, strong and durable;2. Two-color non-slip handle, comfortable and labor-saving;3. Mainly used for filing and workpiece grinding.1. T12 carbon tool steel casting, blade quenching treatment, high hardness, strong and durable;2. Two-color non-slip handle, comfortable and labor-saving;3. Mainly used for filing and workpiece grinding.