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 07494. 2" Coarse. 25 discs per box. Maximum operating speed: 23,000Used in cleaning and surface upgrading as well as gasket removal. Designed to be used with the Scotch-Brite Disc Holder and attach safely and securely through the use of the 3M Scotch-mate Dual Lock Fastening Systems.