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3M Scotch-Brite™ Star — 3″, A CRS (Aluminum Oxide), LS — Mfr ID 61500139458 Non-woven star for cleaning, blending, and light deburring inside tubes and pipe I.D.s. Flexible “star” flaps conform to curves without gouging; mounts on a threaded mandrel (e.g., 3M Mandrel 944). Max 18,000 RPM. Typical pack: 25/inner, 50/case. UPC 00048011133720.
