11.Vaccum Brazed Diamond Concave Blades This products save 30%~40% working time and meanwhile the durability increase3~4 times than other welding one. The cutting speed will be faster and the efficiency of cutting will be improved greatly. Benifits: high sharpness fine cutting efficiency long working life low cost high performance Application: Various granite, Marble, Concrete, Asphalt, Concrete and sandstone Diameter of blades: From 115 to180mm 12.Vaccum Brazed Diamond Cutting Blades With Special design and world-advanced technology of diamond brazing, the edge of cutting disc will be free cutting, the cutting speed will be faster and the efficiency of cutting will be improved greatly. This products save 30%~40% working time and meanwhile the durability increase3~4 times than other welding one. Benifits: high sharpness fine cutting efficiency and long working life low cost high performance Application: Various granite, Marble, Concrete, Asphalt and concrete Diameter of blades: From 100mm to600mm 13.Vaccum Brazed Diamond Full Face Disc This type of brazed diamond tool is characterized in its high sharpness, fine cutting efficiency, long working life, low cost and high performance. This products save 30%~40% working time and meanwhile the durability increase3~4 times than other welding one. The cutting speed will be faster and the efficiency of cutting will be improved greatly. Benifits: high sharpness fine cutting efficiency long working life low cost high performance Application: Double application discs for cutting and grinding of Various granite and Marble Diameter of blades: From 115mm or 230mm