✨ Polish like a pro, shine like a patriot 🇺🇸
MJR Tumblers’ .5lb Premium 400/600 grit aluminum oxide polishing grit is expertly designed for the third stage of rock tumbling. Compatible with all tumbler brands, this American-made product supports a disabled and veteran-owned business based in Pecatonica, Illinois, delivering consistent, high-quality results for professional-grade stone polishing.
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