SPECIFICATIONS 250mm Diameter Blades with 30mm bore Maximum speed 3200 RPM 1 x 60 teeth fine cut blade 1 x 40 teeth medium cut blade 2 x Reduction rings 30mm to 25mm Hardened and strengthened to ensure a long life. Includes two ring adapters for the centre bore. Varied number of teeth for use on multiple types of jobs. Suitable for hardwood, softwood, chipboards and other composite materials. 40 Tooth 60 Tooth Saw Blade Pack 2-Pack 250mm (10) TCT Circular Rotorazor Blades 2pc 250mm Tct Circular Saw Blades With Adapter Rings Set 2pc 250mm Tct Blade For hardwood, softwood, chipboards and other composite materials. 2pc 250mm TCT Circular Saw Blades 40 and 60 Teeth with Adapter Rings | DIY at B&Q High quality saw blades suitable for everyday or occasional use. TCT (Tungsten Carbide Tipped) Blades. Suitable for hardwood, softwood, chipboards and other composite materials. Hardened and strengthened to ensure a long life. Will fit most standard 250mm circular saws. Includes two ring adapters for the centre bore. V