Bosch 85091 High Speed Steel Single Flute Straight Bit， 1/16-Inch<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>For windows and door cutouts in abrasive insulation materials， plywood and paneling</li><li>Drill-through pilot for guiding on template or framing</li><li>Concave grind offers a faster cut over the straight grind pilot panel bits</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41rnAUiwCcL.jpg" noproxy>