This 13-piece titanium twist drill bit set is perfect for a variety of drilling tasks in wood, plastic, and aluminum alloy. The drill bits are made from high-speed steel with a titanium coating for durability and long life. The bits feature a 135-degree split point tip that helps to prevent walking and produce clean, precise holes. The 2-flute design helps to clear chips and debris away from the bit, reducing friction and heat for faster drilling. The 1/4-inch hex shank fits into most power drills and impact drivers for easy use. The set also includes a handy storage case to keep your bits organized.