The RIDGID Metal Cut-Off Wheel Kit (3-Piece) provides the same great metal cutting wheel packed inside of our R87547B RIDGID Brushless 3 in. Multi-Material Saw, but now available as replacement wheels. The additional flange washers ensure proper blade fit. For best results, always pair your RIDGID tools with the RIDGID accessories. These wheels are designed to cut through steel, aluminum, diamond plate, and copper. This package contains three metal cutting wheels, a 7/16 in. flange adaptor, and a 3/8 in. flange adaptor.