Bosch BL0021 21-Piece Metal Index Black Oxide Drill Bit Set</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Speed helix design for three times faster drilling than standard bits</li><li>Last 50 percent longer than high-speed steel</li><li>Easier drilling， reduced heat and extended drill bit life</li><li>Available in jobber length， stubby length， extended length (aircraft)， 1/2 In. reduced shank (Silver and Deming)</li><li>For use in steel， copper， aluminum， brass， oak， maple， MDF， pine， PVC， polycarbonate， acrylic， ABS， nylon and composite materials</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/41v7M54u6iL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51oYtn4HmIL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/519pJjRnxeL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41QR-%2BQbzbL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51BxfjAixIL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41n5KiBKClL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51wwOq9DACL.jpg' noproxy></br>