KwikTool USA BB500 C7 Bad Blade 5-Inch 36 Tooth with 1-Inch to 20 mm arbor C7 Bad Blade 5-Inch 36 Tooth with 1-Inch to 20 mm arbor 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 cleanly and easily without lubrication.