; Premium quality with high quality jointing methods between tip and body. Precision machined SDS+ shank to limit power tool wear with special fluteUSE ME FOR ; All masonry and concrete types. Truer, rounder holes for all fixingsapplications and through holes.DP-SPLUS HAMMER DRILL BITSPRECISION MACHINED SDS PLUS SHANKSINTERED CARBIDE TIPSHIGH QUALITY JOINTING METHODSTWIN FLUTE DESIGN FOR SPEED / STRENGTHdesign for speed & strength.USE ME FOR ; All masonry and concrete types. Truer, rounder holes for all fixingsapplications and through holes.