The CorePlus General Purpose Concrete Cutting Blade features a precision-engineered, hardened, high-grade 65Mn manganese steel tensioned core ensuring the blade runs true. Double laser welding technology reduces the risk of damaged segments, combined with the maximum concentration of ultra-grade diamond which has been meshed within the bond. It also features a state-of-the-art, metallurgically engineered, high-performance and long-life bond formulation which ensures maximum durability and lifetime.Manufactured to EN 13236 quality standard. oSa certified to the highest level of quality and tested safety.Suitable for cutting; concrete, concrete lintels, reinforced concrete lintels, hard sandstone, concrete pipes, concrete paving slabs, bricks, block paving slabs, concrete kerbs, clay pipes, hard slate, roofing tiles, quarry tiles, etc.Specifications:Blade Diameter: 450mm.Bore: 25.4mm.Segment Size: 12mm.Segment Width: 4.0mm.Max. RPM: 3, 390/min.