Make the most of your circular saw cut-off wheel investment by choosing a Metal A AO-type 01/41 circular saw cut-off wheel. For use on hard and soft carbon steels, this wheel features a quality aluminum oxide and a durable thicker blade. The full fiberglass reinforcement helps you perform straight cuts while the diamond-mount pop-out and 5/8 in center hole combination gives this wheel a compatibility with all major brand circular saws.