RED HELIX Cobalt Drill Bit Set, 15-Piece, Range 1/16 in. to 1/2 in., Variable Helix Flute for Rapid Chip Removal, 135-Degree Split Point Tip for Fast Accurate Starts, QUAD EDGE Tip Stays Sharper Longer, Cobalt for 15X Life vs. Black Oxide Drill Bits, Thicker Tapered Web for Increased Bit Strength, 3-Flat Secure-Grip Shank Prevents Bit Slipping, Laser-Engraved Reference Marks, Includes Case.
