The MILWAUKEE 1/8 in. 5 Piece Pro Pack SHOCKWAVE RED HELIX Titanium Drill Bits are engineered for extreme durability and long life. The 135° Split Point Tip Provides a Precision Start and Prevents Walking. The VARIABLE HELIX design 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