Enhanced with an anti-rust protective coating, our drill bit offers superior corrosion resistance, ensuring optimal performance in humid or challenging environments. Featuring a robust magnetic tip, our drill bit securely grips screws, preventing slippage or damage. Boosting work efficiency and reducing the risk of screw mishaps, this feature enhances precision and ease of use. Crafted from premium alloy steel with a remarkable 60HRC hardness rating, our drill bit is impact-resistant and wear-resistant. Ideal for high-strength operations, it guarantees durability and prolonged service life. Available in various lengths (25mm, 50mm, 65mm, 70mm, 90mm, 150mm), our drill bit caters to diverse maintenance, assembly, and installation tasks. Enjoy flexibility and adaptability across different operating scenarios. Designed with a 1/4-inch hexagonal handle, our drill bit seamlessly fits manual screwdrivers, electric screwdrivers, and electric drills. Perfect for mechanical repairs, household assemblies, and electronic projects, it's a versatile tool for various applications. Item Name: Drill Bit Material: Steel Features: High Hardness, Rust-Resistant, Long Lasting Size Details: Length: 2.5cm/0.98" (Approx.) Length: 5cm/1.97" (Approx.) Length: 6.5cm/2.56" (Approx.) Length: 7cm/2.76" (Approx.) Length: 9cm/3.54" (Approx.) Length: 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: Style 6pcs: 6 x Drill Bits Or Style 7pcs: 6 x Drill Bits 1 x Magnetized Coil