BlueFire Chopsaw Cut-Off Wheel, 14 in dia, 7/64 in Thick, Zirconia/Alumina Oxide Latest generation NorZon (zirconia alumina) which outperforms competitive zirconia by 20% NorZon (zirconia alumina) out performs aluminum oxide up to 10X on difficult to cut metals High performance resin bond designed for free cut and long life Broad