The H9 Double Ended Magnetic Screwdriver Bit Set (10 pcs, 65mm) is designed for both industrial professionals and DIY enthusiasts. Each bit features dual heads-PZ2 (Pozi driv) and PH2 (Phillips)-making them versatile for multiple screw types, including chipboard, drywall, frame fixings, and self-drilling screws. Made from premium S2 Taiwan alloy steel, these bits are heat-treated for superior strength, shock resistance, and long-lasting durability. The chrome finish provides added corrosion protection, ensuring reliable performance in tough environments. The magnetic tips hold screws firmly, reducing drops and cam-out while improving accuracy during fastening. Designed with a universal 1/4 inch hex shank, these bits are compatible with impact drivers, electric screwdrivers, drill machines, adapters, and extensions from all major brands. Whether for industrial use, construction, or home repairs, the H9 PZ2-PH2 screwdriver bits deliver professional-grade precision, strength, and efficiency.