The Scotch-Brite Roloc Gasket Removal Disc is ideal for removing old gasketing residue and preparing a surface for a new gasket. Product Features:Removes old gasketing residue and prepares surface for a new gasketNon-woven fiber construction can take on tough surfaces without marring the workpieceOpen-web construction minimizes heat for effective use on steel and aluminumAluminum oxide is durable and cuts fastSmall disc enables access to small spaces3M Roloc quick-change threaded attachment enables fast and easy wheel change-out for multi-step processes