... quality 2, long life span 3, competitive price TSP, PCD. Themal stable polycrystalline diamond Description:1.different shape is available according to the ... :Used for oil drill bits, geological drill bits, jewelry and diamond polishing Available size and shape: ShapeSize(mm)Cylinder0.8*32 ... us. Some photos of our TSP samples. Contact details: tsp, pcd, themal stable polycrystalline diamond