Features and Benefits: RED HELIX Technology combines QUAD EDGE Tip, VARIABLE HELIX Flute, and thicker tapered web; QUAD EDGE Tip Stays Sharper Longer; VARIABLE HELIX flute designed for rapid chip removal; Thicker tapered web design increases bit strength; Cobalt for 15X Life vs. Black Oxide Drill Bits; 3-FLAT SECURE-GRIP prevents bit from slipping in chuck; Designed for use with Drill Drivers; deal for use in Hard Metals such as stainless steel, cast iron & black pipe as well as wood & plastics; Laser etched size for easy identification; Customizable accessory case is designed for use in PACKOUT.