The Ultimate Ensuro blades have Turbo segments for a smooth and precise cut. They offer the ideal combination of speed and accuracy. A massive 15mm segment increases the lifespan of the blades, and the hardened core increases durability. Small holes in the core help dissipate heat and prevent warping. Suitable for use with angle grinders and table saws. Conform with EN31236 and ISO 9001 standards. Specifications: Maximum speed: 80m/sec. Blade diameter: 300mm. Bore: 20.0mm.