DEWALT Rotary Hammer Drill: 1/4 in Drill Bit Size, 6 in Max Drilling Dp, 8 1/2 in Overall Lg

DeWalt Industrial Tool Company is an American worldwide manufacturer of power tools and hand tools for the construction, manufacturing and woodworking industries. DeWalt is a registered trademark of Black & Decker Inc., a subsidiary of Stanley Black & Decker Strong core: Tapered core for bit strength and maximum durability, especially when drilling deep holes Aggressive material removal: Two stage flute design with variable helix pattern allows for efficient debris removal Clean, round holes: Two sharp cutting edges for true holes Wear mark indicator: For accurate diameter of holes NO BREAK GUARANTEE: If your bit fails for any reason while the wear mark is still visible, we'll replace it (excludes: DW5400, DW5401, DW5401B25)