The LENOX® MetalMax Combo wheels have an extra layer of brazed diamonds on the top and bottom of the rim that allows users to not only cut but also do light grinding and deburring. The added feature lets you clean up your cut without changing the wheel or getting a new tool, helping increase productivity and letting you get more done with one blade. LENOX® MetalMax™ is recommended for multiple types of metal including steel, sheet metal, stainless steel, rebar, cast iron, aluminum* and non-ferrous metals. LENOX® MetalMax is recommended for multiple types of metal including steel, sheet metal, stainless steel, rebar, cast iron, aluminum* and non-ferrous metals.