10Pcs Cross Screwdriver Bit Set with Magnetic Electric S2 Alloy Steel Hardware Tools 4mm

Feature: 1. This screwdriver bits use high temperature quenching heat treatment to strengthen the overall hardness and comfortable to use. 2. The 4mm screwdriver bit is made of S2 alloy steel, which resists corrosion and increases service life. 3. This overall adopts strong magnetic treatment, with strong magnets can attract screws. 4. These magnetic cross electric screwdriver bits are easy to operate and quick to work. 5. There are a total of 10 electric screwdriver bits, which can meet your replacement needs. Specification: Item Type: Cross Screwdriver Bit SetMaterial: S2 Alloy Steel Shank Diameter: Approx. 6.35mm 0.3inLength: Approx. 50mm 2inSpecification: Approx. 4mm 0.2in. Package List: 10 x Screwdriver BitThis screwdriver bits use high temperature quenching heat treatment to strengthen the overall hardness and comfortable to use. The 4mm screwdriver bit is made of S2 alloy steel, which resists corrosion and increases service life. This overall adopts strong magnetic treatment, with strong magnets can attract screws. These magnetic cross electric screwdriver bits are easy to operate and quick to work. There are a total of 10 electric screwdriver bits, which can meet your replacement needs.