Skil 10-Piece Assorted x Alloy Steel Masonry Drill Bit for Hammer Drill Item #5265197 #MDB5000 MDB5000INTERLOCKING CASEFeatures a clear lid for easy identification, easy bit removal, and compatibility with other SKIL accessory cases for custom configurations CARBIDE-TIPPEDTwo distinctive carbide-tipped cutting edges allow the bit to drill faster, more efficiently, and stay sharper longer DUAL FLUTESAllow for removal of debris and particulate that can slow and bog down bits when cutting through brick and cinder blocks HEX BITOptimized for use with hammer drills and impact drivers, 1/4-inch hex sh $39.98Newegg.comDelivery: in USA ReportBuy!