Ideal for electricians, mechanics, and enthusiasts requiring reliability screwdriving in wood, metal, or confined space with manual / electric tool Featuring PH2 crosses head tip, antislip hexagonal shank, and milled grooves, these bit secures grip screws while minimizing wear during intensive fastening tasks Tackle automotive maintenance, furniture assembly, or machinery repairs using the 6.35mm hexagonal shank compatible for drills and impacts driver across five lengths (50 150mm Crafted from heat treated steel with HRC58-60hardness, these shock resistant bit deliver exceptionals durability and resistance for high torques applications like auto repairs and industrial assembly The oxides coated surfaces enhances frictions and rusts, while torques shock absorption prevents tip breakage during prolonged use on stubborn screws, Manufacturer: RGYBAO