1.high strength,big size, high purity 2.High hardness: Moh's 10 3.Good thermal stability 1.rough diamond applied to making tools for sawing hard stone, such as wire saw, stripe saw, and gang saw, big saw blade etc.For all kinds of concrete, geological drilling, engineering drilling, and all varieties of diamond dressing tools application as well 2.Usage: used for small workpiece and jewelry.3. ...