The BlueSpot 3-piece 115mm (4.5") Diamond Cutting Disc Set features a range of discs for general use. 3 discs as follows: Segmented for general building use Turbo for general building use including both dry and wet cutting Continuous rim disc for both wet and dry cutting of materials, such as: granite, ceramics and porcelain. Designed to provide fast and accurate cuts. Ideal for use with many materials including roof tiles, high-density concrete, kerbstones, slabs, pipes and bricks. High resistance to breakage and long-lasting durability. Suitable for all makes of angle grinders.