The Milwaukee Shockwave 45-piece Impact Driver Bit Set is engineered to be the Most Durable, Best Fitting driver bits on the market. The Wear Guard Tip delivers increased wear resistance which protects the impact bit's fit over the life of the bit. The Shockzone is optimized for each tip type and length of driver bit in the set to absorb peak torque and prevent breaking. The driver bits have Custom Alloy76 for a customized steel and heat treatment per tip type to extend the life of the user's driver bits, providing up to 50X life versus other impact driver bits on the market. The Milwaukee Shockwave driver bits are built to provide users with extreme durability for the most demanding applications. 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. Milwaukee titanium drill bits are ideal for various applications, including but not limited to wood, plastics and metals. Pro Packs feature 5 bits of the same diameter, each bit providing up to 5X life vs. Black Oxide Drill Bits.