16-Piece Pilot Point Gold Ferrous Oxide Drill Bit SetDrill bits with innovative Pilot Point® tip are designed to start drilling on contact, for clean and accurate holes. Pilot Point® tips reduce incidence of lock-up for greater safety. A no-spin shank prevents the bit from spinning into the chuck and increases efficiency. Tapered web increases drill bit durability and reduces breakage. Size markings located above the shank are easy to read and will not wear away. Diameter: 1/16 in, 5/64 in, 3/32 in, 7/64 in, 1/8 in, 9/64 in, 5/32 in, 11/64 in, 3/16 in, 13/64 in, 7/32 in, 1/4 in, 5/16 in, 3/8 in, 1/2 in, 1/16 in [Min], 1/2 in [Max]; Includes: Tough Case™; Weight: 0.82 lb.