1000+ cuts: Extreme Diamond Edge is made with metal cutting diamonds bonded to the wheel’s surface using a proprietary technology Increased safety: Extreme Diamond Edge is made from solid steel that greatly reduces the risk of breakage No shelf life: Unlike bonded abrasives, Extreme Diamond Edge will not expire, as long as it is stored in proper conditions Diameter retention: Because its diamond cutting edge doesn't wear away, Extreme Diamond Edge holds its original wheel diameter until the very last cut Less dust, better workspace: Because Extreme Diamond Edge doesn't wear out there is substantial reduction of airborne particles One wheel - multiple metals: Extreme Diamond Edge works in a wide range of materials including steel, stainless steel, cast iron, rebar, sheet metal, aluminium and non-ferrous metals