Features: Crafted from heat treated steel with HRC58-60hardness, these shock resistant bit deliver exceptional durability and corrosion resistance for high torques applications like auto repairs and industrial assembly. Featuring magnetic PH2 crosses head tip, antislip hexagonal shank, and precise milled grooves, these bit secures grip screws while minimizing wear during intensive fastening tasks. Ideal for electricians, mechanics, and DIY enthusiasts requiring reliable screwdriving performances in wood, metal, or confined space with manual/electric tool. Tackle automotive maintenance, furniture assembly, or machinery repairs effortlessly using the 6.35mm hex shank compatible for drills and impact driver across five optimized lengths (50 150mm). The oxides coated surfaces enhances frictions and rusts prevention, while torques optimized shock absorption prevents tip breakage during prolonged use on stubborn screws. Specifications: Component: alloy Length: Approx.50mm/1.97in, 65mm/2.56in, 70mm/2.76in, 90mm/3.54in, 150mm/5.91in. Handle diameter: 6.35mm/1/4inch Head: PH2 Option Type:5pcs,10pcs; Package Includes: Package A 5pcs Screwdriver Bit Package B 10pcs Screwdriver Bit note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.