The MILWAUKEE® SHOCKWAVE Impact Duty™ 15PC RED HELIX™ Titanium Drill Bit Set is engineered for extreme durability and long life. The QUAD EDGE™ tip delivers a precision start and features four cutting edges to create smaller chips for faster material removal and less heat leading to improved performance. Designed with Milwaukee 48-89-4670 - SHOCKWAVE Impact Duty™ RED HELIX™ Titanium Drill Bit Set - 15PC