ITEM NAME:10PCS Mini 22mm Diamond cutting disc saw blade mill sheet O9R3 10PCS Mini 22mm Diamond cutting disc saw blade mill sheet O9R3 Brand new and high quality. The discs are super thin making them perfect for making slots and Slits and are coated on both sides as well as around the edge. This set of 10 double sided, vented diamond cutting discs will make your tools more powerful and functionality when you are doing DIY, craft, jewelry making or silver smithing work. Ideal for Cutting Gemstones, Glass, Ceramics, Porcelain, Tiles, Car