... cornering grinders.Wide abrasive surface, constant wear, continuous exposure of new grit, high and even cutting performance. Recommended ... welding seams and spots, removing scale, rust and oxidation of any kind,blunting sharp corners and edges. Work surfaces ... cast iron,titanium. Available type:SizeMax operating speedMax PRMQuantity of inner/outer boxCarton sizegritabrasive4*5/880m/s15,30010/20057 ...