DEWALT 7 in. Concrete and Brick Diamond Circular Saw Blade DW4702 - The Home Depot
Amazon.co.jp: Easy to install metal cutting circular saw blade electric grinding cutting disc rotating tool with 12" 125mm circular saw blade for wood cutting disc metal cutter power tools (Color: 125mm 40T,
Milwaukee® 5-3/8" Metal & Stainless Circular Saw Blade, 30TPI