3M7451 Features: -Used to quickly remove cut cork or paper gaskets and form-in-place gasket materials prior to the assembling of power train components.-Ideal for cleaning light oxidation and removing gasket residue.-Use on wide variety of surfaces, including engine blocks, heads, valve covers and transmission housing.-Attaches to 3M™ Disc Pad 07492.-4" Scotch Brite Surface Conditioning Discs Medium Maroon. Color/Finish: -4" in size; 10 discs per box Best used on steel parts. Maximum operating speed: 13,000. Color: Maroon.. Warranty: -New out of box defects "30d warranty".