Pilot Point drill bits. 135 deg. split point for no slip starting on hard materials. Starts on contact for clean and accurate holes. No-spin shank eliminates the bit spinning in the chuck. Tapered web provides greater durability to reduce breaking. Size markings above the shank to prevent wearing away. Gold ferrous oxide to reduce heat dissipation and for higher perfromance when drilling in metal, wood, or plastic. Jobbers length. Set includes: (2) 1/16", 5/64", 3/32", 7/64", (2) 1/8", 9/64", 5/32", 3/16", 7/32", 1/4", 5/16", and 3/8". Packaged in a plastic index case.