Husqvarna Diamond Core Drill Bit 595934202 2 1 2 Inch Vari Drill B10 (24 Inch Tube 1 1 4 7 Thread Laser Welded Reinforced Concrete Masonry Wet) Mechanics Tool Sets allowing the guard to maintain allowing the guard to maintain full dust collection performance from the initial plunge cut until the blade is completely withdrawn from the material Tri Metal Fusion Welding: High strength welding process creates a joint up to 3 times stronger to prevent head separation during severe rebar strikes The Husqvarna 595934202 is a 2 1 2 inch overall diameter wet diamond core drill bit engineered to execute continuous deep utility penetrations through hard reinforced concrete Steel Reinforced Concrete & Bridge Deck Coring: Penetrating heavy steel rebar mesh and hard cured aggregate concrete containing granite