Norske Tools NCSBP210 6-1/2 inch 48T Metal Cutting Saw Blade For Steel Roofing, Metal Siding, Steel Pipe, Steel Studs & More 5/8 inch Bore with Diamond Knockout - Amazon.com
Amazon.co.jp: Mini Circular Saw Blade Set 22/25/32/35/44/50mm Titanium Coated Rotary Tool HSS Cutting Disc Wood Metal Saw Disc - 6 Piece Set Box : DIY, Tools & Garden
Saxton TCT Circular Saw Blade 150mm x 20mm bore x 48 teeth + 16mm and 10mm Ring Compatible with Ryobi Bosch : Amazon.co.uk: DIY & Tools