For universal use on steel, stainless steel and aluminium using mini belt grinders Grit size 40/60 for maximum stock removal Grit size 80/120 for a perfect surface finish Zirconia alumina and an additional coolant layer for maximum lifetime and cool grinding Very good stock removal ZA-P48 polyester braid backing with coolant layer for higher abrasiveness, cooler grinding and edge stability For universal use on steel, stainless steel and aluminium using mini belt grinders Grit size 40/60 for maximum stock removal Grit size 80/120 for a perfect surface finish Zirconia alumina and an additional coolant layer for maximum lifetime and cool grinding Very good stock removal ZA-P48 polyester braid backing with coolant layer for higher abrasiveness, cooler grinding and edge stability