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" in size; 10 discs per box Best used on steel parts. Maximum operating speed: 13,000. Color: Brown.