Introducing the Ecoguard Type M a.k.a. Spark Buster for making it possible to utilize a high-speed angle grinder for metal cutting applications. When equipped with a Carbide-tipped blade, the Ecoguard Type M eliminates the dangerous kick-back on hand-held grinders as well as minimizes sparks, debris and odor. This new system cuts angle iron, c-channel, conduit, schedule 40, spiral duct, galvanized roofing, metal studs, rebar, stainless steel, aluminum plates and bars, steel plates, threaded rods and unistrut. Perfect for all your metal cutting needs!