Diablo Hammer Drill Bit Set DMARG1030 P5 3 16 Inch (5 Pack 6 Inch Length Carbide Tipped Impact Strong Hex Shank For Concrete Masonry Stone Drilling) 8" 2 mm) Number of Carbide 2 mm) Number of Carbide Cutters 2 Flute Carbide Cutters Cutting Style Profile Straight Plunge Cutting Edge Maximum Operating Speed 24 0 Amp Fast Charger Included Integrated Work Lighting High Output Integrated LED Cut Line Light Total Assembled Kit Weight 18 non slip plunge drilling into premium polished granite and marble facades without surface cracking (5) Diablo 3 16 Inch x 6 Inch SPEEDemon Red Granite PLUS Carbide Tipped Hammer Drill Bits (DMARG1030)