Premium quality 100m/sec, fibreglass reinforced cutting discs for general metalworking use. Manufactured in compliance with EN12413 with two fibreglass reinforcements. Produced with high grade, highly refined aluminium oxide grit. Bonded with high quality 'bakelite' resin. For use on portable engine-driven power saws. Suitable for cutting most ferrous metals, such as iron and steel. MUST NOT BE USED ON NON-FERROUS METALS. Sold in Box Quantities of 25.