CB 1X3/8X2PLYX8-32CRS A/O HS SA 727334 The Standard Abrasives Buff and Blend Cross Buff HS is uniquely designed to clean and polish hard-to-reach areas like the internal diameters of pipes and tubingThe Buff & Blend HS material allows removing surface contaminants without eliminating critical detail or gouging the workpiece. Product Information Brand 3M Part # 7000047211 Origin Country USA Product InformationAvailable in coarse (green) and medium (blue) abrasive grades to help produce satin finishes on soft metalsOpen-web buff responds to surface imperfections with minimal gouging or marring of the substrate, sustaining part geometryResin coated surface runs cool and is waterproof for use with lubricantsTough nylon face removes surface contaminants while resisting chatter or gouging of the workpieceUnique abrasive design enables buff to fit inside hard-to-reach areas