IRWIN® Spade Bits, SPEEDBOR SUPREME™, and SPEEDBOR® Tri-Flute Drill Bits; Core Bits for masonry drilling; Multi-Material bits, for rotary and hammer drilling on single or combined materials; Rotary Percussion Drill Bits, Heavy-duty bits for SDS Max drills; SpeedHammer Power™ SDS® Plus shank Masonry Bits are compatible with SDS Plus and TEC style drills; Spline patented standard and multi-cutter tipped bits; and drill bit gauges.