General description These 9 pieces of 1/4 inch (6.3mm) magnetic long hex screwdriver bits are made from high-quality S2 steel, ensuring durability and high toughness. They are designed for convenience and efficiency, featuring a magnetic tip that prevents slipping during use. With a length of 200mm, these bits are suitable for a variety of applications, including use with air screwdrivers and electric drills. Technical specifications Material: S2 Steel Length: 200mm Hex shank size: 6.3mm (1/4 inch) Package contents: 1 x 200mm*Φ3.0*PH1, 1 x 200mm*Φ4.0*PH1, 1 x 200mm*Φ4.5*PH1, 1 x 200mm*Φ5.0*PH1, 1 x 200mm*Φ6.0*PH1, 1 x 200mm*Φ4.0*PH2, 1 x 200mm*Φ4.5*PH2, 1 x 200mm*Φ5.0*PH2, 1 x 200mm*Φ6.0*PH2 Allowed measurement error: +/- 1-3cm Usage These screwdriver bits are widely used in various power tools, making them ideal for DIY projects and professional applications. The magnetic feature enhances usability by securely holding screws in place during installation. Other information Color: