Drill bit sets 14 piece industrial strength cobalt for optimum life and durability in applications such as stainless steel and other hard metals. Pilot point tip starts on contact for clean, accurate holes and reduces lock up on breakthrough. Includes (2) two each: 1/16, 3/32 and 1/8 inch; 1 each: 5/64, 7/64, 9/64, 5/32, 3/16, 7/32, 1/4 and 5/16 inch. Plastic index box for storage.