Milwaukee Shockwave carbide hammer drill bits use sharpened carbide, delivering up to 5X life in concrete and up to 2X faster drilling. with a precision ground tip, these bits will deliver faster starts and less walking in concrete, brick, and block. Wide flute design removes dust faster, reducing heat and delivering more holes per charge. Equipped with a 1/2 In. hex shank, Milwaukee Shockwave carbide hammer drill bits are the ideal solution for drilling masonry materials with both impacts and hammer drill/drivers. This drill bit kit includes: (1) 5/32 In., (2) 3/16 In., (2) 1/4 In., (1) 5/16 In., (1) 3/8 In.