3M™ Roloc™ gasket removal disc pad assembly allows you to-mount a Scotch-Brite™ Roloc™ gasket removal disc directly to your right angle or straight shaft power tool to remove tough gaskets and gasket residue from engine parts. The disc pad holder has a 1/4 in - 20 TPI thread that is compatible with any tool with a 1/4 in - 20 EXT threaded shaft.