3M Roloc Flexible Diamond Disc 6234J, 125 Mic, TR, 2 in (50.8 mm), Die R200P The 3M Roloc Flexible Diamond Disc TR 6234J consistently delivers superior results on hard-to-grind materials like stone, glass, ceramic, metal, carbide, and compositesMetal-plated bond anchors micron-graded diamonds are constructed on a heavy-duty polyester backing and help deliver flat, edge, contour grinding, and polishing. Product Information Brand 3M Part # 7000120364 Diameter 2 Inch Material 6234J Mineral Diamond Origin Country USA Product Type Type R Discs Product InformationDiamond abrasive construction provides durability and long life, allows conformance to contoursHelps provide aggressive cutting for hard-to-grind materialOpen-dot abrasive pattern discourages loadingQuick-change twist-on and off 3M Roloc Discs make grade changes easy, minimize downtime