... sharp and has a long life. Features for Diamond Blade:We are factory specializing in research and manufacture of diamond ... tools, such as Circular saw blades, Multi-blades, small saw blade, DiamondWire, Diverse-shaped Diamond Tools, Diamond Millstones, Diamond Core ... DirllBit, ect. Our produces are ranging in sawing, cutting, grinding, milling, drilling.They are widely used for ...