1.High-strength screwdriver using duarable D1 material . 2.High-frequency quenching, the overall hardness of HRC65 . 3. Strong magnetic circle, with a strong magnetic, the middle of the use of concave design, more torque, better toughness. 4. Bits head bite high, reduce wear and tear, long service life . 5. Applicable to decoration, furniture, electronics, plastics, metal and other use .
