o These 180 grade discs are used for feather edging and filler sanding.o Better cutting and long lasting abrasive disc for featheredging and filler sandingo Reliable dust-extraction and reduced loading due to multi-hole patternReliable dust-extraction and reduced loading due to multi-hole patterno Engineered ceramic mineral blend provides best-in-class performance using exactly the right balance of ceramic grain and premium aluminum oxideo Anti-loading coating improves abrasive life while upgraded resins improve durability and finisho Suggested backup pad PN20427
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