Upgraded Anti-Rust Coating: Enhanced with a double anti-rust protective coating, our screwdriver drill bits offer superior corrosion resistance. Ideal for humid or challenging environments, these bits maintain peak performance even in adverse conditions. Strong Magnetic Tip: Featuring a robust magnetic tip, our drill bits securely grip screws, preventing slippage or falls. Boosting work efficiency and minimizing the risk of screw damage, this magnetic support ensures precision and reliability in every task. High-Quality Alloy Steel Construction: Crafted from premium alloy steel with a remarkable hardness of up to 60HRC, our drill bits are impact-resistant and wear-resistant. Designed for high-strength operations, these bits deliver durability and longevity for prolonged use. Versatile Length Specifications: Available in various lengths including 25mm, 50mm, 65mm, 70mm, 90mm, and 150mm, our drill bits cater to diverse maintenance, assembly, and installation needs. Choose the perfect length for your specific operating scenarios with ease and convenience. Versatile Compatibility Design: Boasting a 1/4-inch hexagonal handle design, our drill bits are compatible with manual screwdrivers, electric screwdrivers, electric drills, and more. Perfect for mechanical repairs, household assemblies, and electronic equipment needs. Item Name: Screwdriver Bit Material: Steel Features: High-magnetic, Durable, Hex Shank, Portable Size Details: Length: 2.5cm/0.98", 5cm/1.97", 6.5cm/2.56", 7cm/2.76", 9cm/3.54", 15cm/5.91" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 6 x Screwdriver Bits