Description Agate Burnisher 14 has a slanted edge and a narrow point to use for burnishing gilded surfaces. Effective for flat and/or linear sections. This product has a flat agate stone that is strongly secured to a wooden handle. The agate stone itself has been finely polished to provide a great quality burnish. Agate Stone Length (approx.): 1  1/4 inches (3.17 cm) Overall Length (approx.):  9  1/16 inches (23.02 cm)   For other agate burnishers, select from the links below: Round Shapes Dog-Tooth Shapes  Flat Shapes Pointed Shapes