Erie Tools 20 Piece SDS Rotary Hammer Concrete Masonry Carbide Tipped Drill Bit Set fit Milwaukee® Hilti® Bosch® Erie Tools 20-piece SDS rotary hammer carbide-tipped drill bit set for concrete and masonry. Bits will fit certain Bosch®, Hilti®, Milwaukee®, Makita®, Dewalt®, and Porter Cable® drills.20-piece SDS drill bit set.Bit Lengths: 4-3/8 in., 6-1/4 in., 8-1/4 in., 10-1/4 in., 17-3/4 in.Bit Diameters: 1/4 in., 5/16 in., 3/8 in., 1/2 in., 9/16 in., 3/4 in., 9/16 in.Designed to drill holes on concrete, brick, mortar, and stone.Heat-treated carbon steel.Carbide cutting tips.Sandblasted finished.Fits Bosch®, Hilti®, Milwaukee®, Makita®, Dewalt®, and Porter Cable® drills.Includes Bits:3/4 in. x 17-3/4 in.11/16 in. x 17-3/4 in.1/2 in. x 17-3/4 in.3/8 in. x 17-3/4 in.(2) 9/16 in. x 10-1/4 in1/2 in. x 6-1/4 in.(2) 3/8 in. x 6-1/4 in.3/8 in. x 8-1/4 in.9/16 in. x 8-1/4 in1/2 in. x 8-1/4 in.5/16 in. x 8-1/4 in.(2) 5/16 in. x 6-1/4(2) 1/4 in. x 6-1/4 in.(2) 1/4 in. x 4-3/8 in.5/16 in. x 4-3/8 in. Erie Tools® is not affiliated with, or sponsored by, or authorized to represent, Original Equipment Manufacturers mentioned above. The following brand or brands are used for identification purposes only and are registered trademarks of their entitled parent company. AEG® is a registered trademark of AEG POWERTOOLS. Bosch® is a registered trademark of Robert Bosch Tool Corporation. Hilti® is a registered trademark of Hilti Aktiengesellschaft. Black & Decker® is a registered trademark of The Black & Decker Corporation. DeWalt® is a registered trademark of DEWALT Power Tools and Accessories. Makita® is a registered trademark of Makita U.S.A., Inc. Milwaukee® is a registered trademark of Milwaukee Electric Tool Corporation.