"S-B POWER TOOL" HAMMER DRILL BITS * Diamond carbide tip * Dia.xO.A. 3/16"x6" * Bit has new steep flute with ribs for optimal dust removal * softened shank for aggressive griping power and customized carbide geometry optimized to handle a variety of material. * Can be used in rotary and impact mode in concrete without bit change * Drills into many grades of tiles * From granite to porcelain.