3M™ Cubitron™ 3 -Off Wheel 3in x 0.04in x 3/8in, 5/Box Engineered to slice through sheet metal, aluminum, and high-strength steel quickly and with less technician effort. 40% more life and cooler operation than our previous generation of Cubitron™ II -Off Wheels. Long lasting performance . High rate - remove up to 40% more material than 3M™ Cubitron™ II -Off Wheels . Improved balance and smoother action while delivering higher performance than previous Cubitron™ II -Off Wheels. These -off Wheels are built with the 3M Cubitron 3 Precision Shaped Grains designed with sharp, angular structures that continuously fracture to form fresh, sharp points that allow the discs to slice faster, and last longer 33458