Dewalt Drill Bit Set, Percussion, 4 Pieces, Includes: (1) 3/16 X 3 in, (1) 1/4 X 4 in, (1) 5/16 X 6 in, (1) 3/8 X 6 in, Carbide Tipped, For Fast, Efficient Masonry Drilling

Innovative flute design leading to faster material removal for easier drilling. 1/4" hex shank for use in impact drivers. Speed tip penetrates material quickly.

Dewalt Drill Bit Set, Premium Percussion, 7 Pieces, Includes: (1) 3/16 X 3 in, (2) 1/4 X 4 in, (1) 1/4 X 6 in, (1) 5/16 X 6 in, (1) 3/8 X 6 in, (1) 1/2 X 6 in Bits, Suitable For Use With: Corded Or Cordless Hammer Drills, Carbide Tip, For Concrete and Masonry Drilling

Irwin Hammer Drill Bit Set, 5 Pieces, Includes: (1) 5/32 X 6 in, (1) 3/16 X 6 in, (1) 1/4 X 6 in, (1) 3/8 X 6 in and (1) 1/2 X 6 in Bit, Carbide Tipped

Robust head for longer life. Various useable lengths. Milled u-flutes with deep cut-spiral for fast dust removal. Diamond ground carbide tip for precise starts to avoid scratching and skating in tile and hard stone. PowerGrip shank for aggressive gripping power. Comes with a convenient pouch for easy storage. The set includes: (1) 5/32" x 2" x 3", (1) 3/16 x 4" x 6", (1) 1/4" x 4" x 6", (1) 5/16 x 4" x 6", (1) 3/8" x 4" x 6".