Lenox 5" x 7/8" Angle Grinder Diamond Edge Cut-Off Wheel is a powerful and durable tool designed for metal cutting applications. It is made with advanced diamond technology that provides increased productivity and reduced downtime. The cutting depth stays the same throughout its life, meaning better control, reach and precision. It has less odor and dust residue and sparks originate only from the material being cut. It is recommended for multiple types of metal including steel, sheet metal, stainless steel, rebar, cast iron, non-ferrous metals and aluminum. It has 30 times longer life than thin bonded cut-off wheels and can make 1,000 or more cuts.