Description: 9cm Natural Polishing Agate Burnisher Knife Jewelry Buffing Burnishing Tools The agate knife is dipped in cleaning essence and polished back and forth on bracelets, rings and other gold and silver jewelry,after polishing, use cotton cloth to dry. It is smooth and exquisite, suitable for dry grinding hard and bright technology, easy grinding scratches, increase the aesthetic feeling. Polishing tools for jewelers both professional and hobbyist. Agate will not damage or mar your materials. Specification: Material: Natural Agate Color Random Size Chart: Size?L?: Approx.9 cm / 3.54 inch Package Includes: 1 Piece Polishing Agate Knife Note: Please allow a little size error due to manual measurement. Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the item's color may be slightly different from the pictures. Please understand