KwikTool USA BBC4506PC Devastator Pack 5 Pack Of 4-1/2" C7 Bad Blade And 1 Pack Bad Blade System Guard 5 ea of 4.5" "C7 Bad Blade" and 1 ea Guard "Bad Blade System" New introduction, this blade concept comes from Europe where they have been usingthese universal blades that cut nearly everything for years Universal means the blade can be used with nearly any machine andfor all types of cutting jobs from Wood to Steel Ingenious, with specially designed toothlayout, set and reinforcement which give ourtungsten carbide blades their awesome cutting ability with NO Kick-Back Rips and cuts anything from wood, wood with nails, steel, iron, plastics, laminates, composites plus non-ferrous metals like aluminum, copper, brass, and alloys all with NO Kick-back