Features and Benefits: ?Up to 5x life in concrete ?Up to 2x faster drilling vs. standard masonry drill bits ?SHOCKWAVE Impact Duty engineered for hammer drills and impacts ?Durable carbide tip for longer life in concrete and hard aggregate ?Sharpened carbide edges for faster starts in concrete, brick, and block ?Precision ground carbide tip for less bit walking ?Wide flute design removes dust faster, reducing heat delivering more holes per charge ?Ideal for concrete, brick, and block ???? Hex shank for added tool versatility ?Kit includes (1) 1/8″ x 2″ x 3-1/2″, (1) 5/32″ x 4″ x 6″, (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″, (1) 1/2″ x 4″ x 6″ The MILWAUKEE 7-Piece Large SHOCKWAVE Carbide Hammer Drill Bit Kit uses sharpened carbide to deliver up to 5x life in concrete and up to 2x faster drilling into masonry material. Engineered with a precision ground tip, these bits deliver faster starts and less walking in concrete, brick, and block. The wide flute design removes dust faster, reducing heat and delivering more holes per charge. Milwaukee SHOCKWAVE Carbide Hammer Drill Bits have a 1/4″ Hex Shank for versatility and are compatible with both impacts and hammer drills. This drill bit kit includes (1) 1/8″, (1) 5/32″, (1) 3/16″, (1) 1/4″, (1) 5/16″, (1) 3/8″, and (1) 1/2″ hammer drill bits.