Material: metal , diamond.. Diameter: 4 inch - 100mm , 4.3 inch - 110mm , 4.7 inch - 120mm , 6 inch - 150mm. The diamond cutting disc is inlaid with diamond into the serrated gap by strong pressure pressed. Ideal for Glass tube , marble , stone , gemstone , jade, agate, crystal, glass, jewelry, charcoal cutting, Stone gap cleaning, etc.. Suitable for cutting non-metallic materials such as jade, gemstone, agate, crystal jade, jewelry, handicraft processing, etc..
