3M 7515 2" Medium (VFN) Blue 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