Save money and cut or remove stock with enhanced efficiency when you wield the Metal A AO-type 27 grinding and cutting wheel. Engineered for cutting at 30 or 90 deg angles, this wheel is great for notching, offhand cut-offs and light side grinding. With a low initial price, high-quality aluminum oxide abrasive, durable bond and thickness of 1/8 in, this extra hard wheel strikes the ideal balance between economy and efficiency and is great for inexperienced operators or small jobs where minimizing cost is crucial.