1. Chrome vanadium steel double-head bits with overall machining and through quenching treatment makes the bits harder and better torsion. 2. Compact, lightweight and portable design with anti-slip pen shape, suitable for a variety of operational uses. 3. Hook design, easy to carry, more convenient to repair with plug-pull design. 4. Four different sizes of screwdriver bits are available to use in wider scope of applications. 5. Small and practical, suitable for daily maintenance, home appliances, glasses, watches and electronics, general electrical or household repairs.
