1High Hardness Screwdriver Set Head: After heat treatment, the hardness is up to 52-55HRC, with high hardness and good toughness. Choose the appropriate screwdriver bit to extend the life of the screwdriver. 2With Magnetic: Please note that the correct usage is to connect the screw head to the extension rod and then add the handle, it will be magnetic and it is more convenient to use. 3Buckle Joint: The extension rod joint adopts a buckle design, which can fully clamp the extension rod, which is not easy to slip. 4Environmentally Friendly Plastic Handle: Non-slip, non-stick, ergonomic design, comfortable and durable! 5Stainless Steel Anti-Static Tweezers: With anti-static thickening of stainless steel and hard straight tweezers, to prevent damage to parts due to static electricity, the design of the working piece, makes the overall head thin, can also be used in narrow spaces.