FLEX IMPACT SHIELD - Built for demanding applications PRECISION MADE - Accurate bit geometry distributes impact evenly, eliminating energy waste in demanding applications TITANIUM DRILL BITS INCLUDED - Provides less friction, precision drilling and stays sharp longer LONG-LASTING QUALITY - Optimized hardness and strength for unrivaled bit life FLEX STACK PACK STORAGE CASE - Organize and customize your layout while keeping everything together and easily accessible with FLEX STACK PACK connection