Blue Spot 50mm Titanium Coated Pozi No 2 Screwdriver Bits are ideal driving all Pozi No 2 screws. Manufactured from high-quality S2 steel with a titanium nitride coating for long lasting durability. Suited to high resistant materials including hard wood, metal, plastic and drywall. For use with all power drills, cordless drills and screwdrivers with a 1/4 drive hex bit holder.