Carbide-tipped masonry bit with upgraded hex shank design engineered to provide long bit life and fast material removal Asymmetric diamond-ground carbide tip allows for fast drilling and longer bit life Upgraded hex shank allows use in impact drivers and hammer drill/drivers for added versatility Exclusive Bosch-made carbide delivers outstanding durability under heavy loads Milled U-flutes with deep-cut spiral delivers fast material removal Designed for impact applications impact rated for fast drilling in block, masonry and concrete Incudes: (1) 1/8 in X 3 in (2) 5/32 in X 6 in (2) 3/16 in X 6 in (1) 1/4 in X 6 in (1) 3/8 in X 6in