The twist shroud allows you to precisely control the length of the brush tip and extend the life of your weld cleaning brush. With Cougartron twisting shroud you have more control over your brush than ever this unique twist design means that you can precisely choose and control the brush length. The twisting shroud supersedes the sliding shroud version which delivers less control. Features No more problems with damaged brushes Increase brush life by up to 100% Work up to 50% faster Replaceable shroud Components heat resistant to 327C (620 F) Compatibility: Powerbrush WELC3101, WELC3105 Superbrush WELC3146