29 Piece Cobalt Pilot Point Drill Bit with Set Up to 1/2" The DeWalt 29 piece cobalt pilot point drill bit with set up to 1/2" is an extremely durable and useful attachment. Use this to increase your drilling efficiency and decrease your work time. Superior build quality means you will be using this bit for years with minimal wear and tear. A must have for any professional or do-it-yourselfer. Features: Maximum speed and life in stainless steel and other hard metals Pilot Point® Tip starts on contact for clean, accurate holes and reduces lock-up on breakthrough Industrial strength cobalt for optimum life and durability in metal Specifications: AC/DC Capability: 29 piece DEWALT is firmly committed to being the best in the business, and this commitment to being number one extends to everything they do, from product design and engineering to manufacturing and service.