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-degree 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 inch, this extra-hard wheel strikes the perfect balance between economy and efficiency and is great for inexperienced operators or small jobs where minimizing cost is crucial.