The ageing, glazing, semi polishing and final polishing products. YASH ABRASIVES Brushes are a must for ageing and glazing of granite, marble and agglomerate since they allow getting different finishing grades. The filaments of all brush products are produced with DU PONT, U.S.A., material. YASH ABRASIVE Brushes are available in shapes like Frankfurt, Ficket and Round. These brushes are available in the following grits 36, 46, 60, 80, 120, 180, 240, 320, 500, and 1000. fickert abrasive filament brushesFICKERT ABRASIVE FILAMENT BRUSHESfrankfurt abrasive filament brushesFRANKFURT ABRASIVE FILAMENT BRUSHESRound abrasive filamentROUND ABRASIVE FILAMENTBRUSHES