Eazypower 32204 5/16-Inch Countersink 1/4-Inch Shank， 1-Pack<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Use on wood， most metals， plastic and other materials</li><li>Made from high quality tool steel for fast cutting， long lasting with 1/4-Inch shank</li><li>heat treated for maximum life</li><li>carpentry， locksmiths， automotive， metal working</li><li>perfectly centered holes every time properly seated screw heads</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41TA29shgNL.jpg" noproxy>