Kempston 612411 Drawer Corner Lock Bit， 1/2-Inch Shank， 1-Inch Cutting Diameter， 1/2-Inch Cutting Length</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Prefessional Grade</li><li>C3 or C4 Premium Carbide</li><li>Non-Stick Coating</li><li>Anti-Kickback Design</li><li>C.N.C. Precision Ground</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/31Eyi%2BFKPVL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31mv2K5aK%2BL.jpg' noproxy></br>