Tradesman’s Concrete and General Purpose Blades • Impressive cutting speeds and life with 15mm segment height. • Cuts all concrete products: All Bricks, All Paving, All Stone, All Roof Tiles • Light use for: Asphalt and Macadam, Abrasive Breeze and Concrete Blocks SGP-15 High Performance Diamond Blade - 230mm diameter, with a 22mm bore.