3M 7516 2" Fine (SFN) Gray Scotch-Brite Roloc Surface Prep Disc (25pk). Quickly removes cork or paper gaskets and form-in-place gasket material prior assembling drive train components engine blocks, heads, and valve covers. Use with 3M Roloc Disc Pad 05539. Best used on aluminum parts.
3M - Scotch 8883643577