The Milwaukee® 5-Piece Shockwave Impact Duty™ Carbide Multi-Material Drill Bits Are The Most Versatile Bits, Designed to Tackle A Variety Of Materials, Including Brick, Block, Concrete, Steel, Aluminum, Ceramic Tile, Backerboard, Wood, PVC, and Drywall. The Aggressive Multi-Grind Carbide Tip Delivers Up to 10X Longer Life In Stacked Materials and Up to 85% Faster Drilling Speeds In Metal. Equipped With A 1/4" Hex Shank, These Multi-Purpose Drill Bits Are Compatible With Impacts, Drill/Drivers, and Hammer D