This Evolution Multi-Material Blade has been designed specifically for Evolution 185mm Circular Saws and Chop Saws only. Made from premium materials in Japan. Ideal for the construction professional and for daily use on a construction site. Designed to cut mild steel, aluminium, plastics and wood, even wood containing embedded nails, with a single blade. Perfect for cutting hard and softwood, decking, laminate flooring, mild steel angle, Unistrut and conduit, plywood, MDF, aluminium checker plate, plastic pipes and sheet, plus many other materials. Please refer to the blade marking for recommended cutting capacity on mild steel. Compatible with the following Evolution machines: R185CCSL, R185CCS, R185CCSX, R185CCSX+ and RAGE4. Specification: Diameter: 185mm Bore: 20mm Teeth: 20 Kerf: 1.7mm Max. Speed: 3,900/rpm