MK Morse MHSG68 4-1/4" Hole Saw， 1-15/16" Cutting Depth</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Patent Pending tooth set design， optimized to remove material faster</li><li>New cap reduces runout and vibration</li><li>Cutting depth increased 18 percent over AV MHSG68</li><li>New side slot， increased leverage for aster， easier slug removal</li><li>New exterior red coating， reduces side wall friction for efficient cutting</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/41Pm4EUEq1L.jpg' noproxy></br>