Introducing the Premium 300mm Diamond Cutting Blade, expertly designed for precision cutting of abrasive materials. With a bore size of 20mm, this durable diamond blade is perfect for tackling tough jobs such as cutting concrete blocks, concrete paviours, sandstone, arc blocks, limestone, green concrete, concrete roof tiles, and breeze blocks, all under 10Nm of hardness. Crafted for both DIY enthusiasts and professionals, this cutting disc ensures smooth and efficient performance, making it an essential tool for your workshop. It features a robust design that withstands rigorous use, providing longevity and reliability in every cut. Specifications: - Bore Diameter: Ø20mm - Disc Size: Ø300mm (Ø12") At our online store, we offer an extensive range of tools and workshop equipment, catering to all your needs from small projects to large-scale jobs. With over 10,000 products available, we are confident you will find exactly what you are looking for. If you have any questions or need assistance, our friendly team is here to help you find the right tools for your project.