Greenlee 645-001 ¼ Inches x 2-1/2 Inch Pilot Drill used with Sizes 5/8-Inch Diameter Through 2-1/4 Inches Diameter Hole Cutters<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Cuts stainless steel quickly and easily</li><li>Quick change arbor allows you to change cutter heads with a simple push and a turn</li><li>Use the same arbor for different size cutting heads</li><li>Flange stop prevents over-drilling</li><li>Replaceable， cobalt-steel pilot drill with split-point tip to prevent walking</li><li>Item dimensions are ¼ Inches diameter x 2-1/2 Inches overall length</li></ul></div><img src="http://ecx.images-amazon.com/images/I/21G0jGQFo%2BL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41P0B3CdjbL.jpg" noproxy>