High-Quality Construction: Made from superior alloy steel, this screwdriver bit is designed for high-performance and toughness. Its high hardness level of HRC62 ensures effective and reliable operation even under demanding conditions.Optimal for High-Torque Screwing: This bit is perfectly suitable for high-torque screwing operations. Whether you are using manual screwdrivers, electric screwdrivers, or hand drills, this bit provides the strength necessary to handle tough tasks.Wear and Rust Resistant: Built to last, the bit is designed to resist wear and tear over extended periods of use. Additionally, it features properties that prevent rust, ensuring it remains in excellent working condition for a long time.Versatile Sizes for Various Needs: Available in multiple sizes ranging from 25mm to 150mm, this bit set provides the versatility needed for a wide range of applications. This flexibility makes it an essential tool for professional and DIY use alike.User-Friendly Design: The design of these bits facilitates easy handling and efficient use. They are marked clearly for quick identification, saving time and effort during tasks. The magnetic feature also helps secure screws in place while working. Specifications:Product Name: Screwdriver BitMaterial: Alloy SteelColor: As shown in the imageModel: CrossSize: 25mm,50mm,65mm,70mm,90mm,150mmQuantity: 6 pcsHardness: HRC62Package Included:6 x Screwdriver BitDetail Pictures: