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3M 261X Imperial Lapping Film - (Pink), 3 Micron / 4000 Grit, Premium precision abrasive for super-fine, super-consistent finishes. High strength 3mm polyester film backing coated with aluminum micron-graded mineral particles provides greater finishing efficiency. Used in polishing process on precious metals like jewelry,lapidary,watch and clocks, as well as cutting tools such as gravers and knives. Also use for Fabric Optic Polishing. Measures 8-1/2" x 11".
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