Features and Benefits: ?135? split point for precision start no walking ?CHIP BREAKER? Decreased Heat Buildup ?RED HELIX? Design for Rapid Chip Removal? ?SHOCKWAVE? Impact Duty, Engineered forDrills and Impacts ?Titanium Coating for Up to 3X Life vs. Black Oxide The MILWAUKEE? 23 Piece SHOCKWAVE? RED HELIX? Titanium Drill Bit Set is engineered for extreme durability and long life. The QUAD EDGE? tip delivers a precision start and four cutting edges to create smaller chips for faster removal and less heat leading to longer bit life. Designed with a Variable Helix ? that includes an aggressive 35? helical angle, which ends at 15?, these titanium drill bits with RED HELIX? provide Rapid Chip Removal? limiting heat buildup to Stay Sharper Longer?. The bits also feature an internal ENHANCED TAPERED WEB that greatly increases their strength, reducing premature breakage. Ideal for various applications including but not limited to wood, plastics, and metals, Milwaukee Red Helix Titanium Drill Bits provide up to 5X life vs. black oxide drill bits.