PRICES MAY VARY. √【Diamond Grinding Head Burr】Diamond drill bits used for sculpturing, dressing, precision grinding and internal grinding carbide in ceramic, glass, precious stone, alloy and many other abrasive materials. Various angles and depths of the diamond drill bits for stone allow you to design many different shapes of artwork √【Diamond Materials】Diamond burr set made of diamond particle with reliable quality, thick and durable, wear resistance, high hardness and impact resistance…