Removes old gasketing residue and prepares surface for a new gasket Nonwoven fiber construction can take on tough surfaces without marring the workpiece Openweb construction minimizes heat for effective use on steel and aluminum Aluminum oxide is durable and cuts fast Small disc enables access to small spaces 3M Roloc quickchange threaded attachment enables fast and easy wheel changeout for multistep processes Removes old gasketing residue and prepares surface for a new gasket Non-woven fiber construction can take on tough surfaces without marring the workpiece Open-web construction minimizes heat for effective use on steel and aluminum For industrial/occupational use only. Not for consumer sale or use Removes old gasketing residue and prepares surface for a new gasket Non-woven fiber construction can take on tough surfaces without marring the workpiece Open-web construction minimizes heat for effective use on steel and aluminum Aluminum oxide is durable and cuts fast Small disc enables access to small spaces 3M Roloc quick-change threaded attachment enables fast and easy wheel change-out for multi-step processes