DEWALT D180068 4 1/4-Inch Hole Saw</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Double tooth design strengthens each tooth for longer life and improved durability</li><li>Sharper Tooth Geometry cuts material faster for faster drilling</li><li>Thick， hardened backing plates prevent thread stripping</li><li>Deep cut style holes saws will cut 2x material in 1 pass</li><li>Increased high speed steel height (highest in the industry) improves hole saw durability</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/41VTSBfzwbL.jpg' noproxy></br>