All cases should be case mouth deburred after trimming and neck turning. Use the power adaptor with your WILSON burring tool to speed up your processing time. Get nice clean cuts on your case mouths with our super sharp case mouth deburring tool Years of use Burring Tool and Power Screwdriver Sold Separately Made in the USA Power adaptor only : Attaches to the Wilson Chamfer and Deburring Tool Powered by a cordless screwdriver or drill (not included). Power source will need to be supported to keep the trimmer level Operate between 100 - 200 RPM