DeWALT Extreme Metal DT40255-QZ

Extreme Diamond Disc 230 x 22.23 x 1.5mm
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