KGS Speedline EDGE Polishing Sanding Disc Ø 150 mm with SF snail attachment (Snail-Fit). Resin diamond sanding and polishing disc for wet edge polishing. Use on granite, marble, concrete, terrazzo, terrazzo, ceramic and recomposed stone. Trimming and very rapid removal of material, gives excellent results in sanding and polishing. Use with water, no discoloration of the stone surface. Available from grain 60 to 3000. KGS Swiss Diamond Technology.