🔧 Drill Your Way to Perfection! Perfect for home improvement, repairs, and creative projects. High-speed steel (HSS) for superior cutting speed and heat resistance. Titanium Nitride coating reduces friction, enhancing bit lifespan. Slimline storage case keeps your bits accessible and tidy. 99 pieces with 14 SAE sizes for all your drilling needs. 99 pieces HSS4241 steel Titanium-coated The Hi-Spec Tools Drill Bit Set includes 99 high-speed steel bits in various sizes, designed for drilling through metal, wood, plastics, and drywall. With a titanium coating for enhanced durability and a convenient storage case, this set is perfect for both DIY enthusiasts and professionals.