614192 CARBORUNDUM PASTE GRIT#240, MEDIUM FINE 450GRM. IMPA Code: 614192. UOM: TIN. MTML UOM: TN. For precision lapping, fitting, surfacing, polishing and other general use in machine shops. Universally used for grinding valves. Supplied in 450 grm tin. Please specify grit number when ordering. No suppliers for this item.