2 Brass Dapping Block Marking Anvil Jeweler Doming Tools. Brass Dapping Block. This is a new brass dapping block. The depressions have a smooth finish that are great for shaping metal. The half spheres are precision machined and hardened to perfection. Has various sized depressions that measure up to approximately 31.75 mm (1.25"). The block measures approximately 1 1/2" x 1 1/2" x 1 1/2" (38 x 38 x 38 mm). Brass Marking Anvil. This is a new brass marking anvil. This brass anvil secures ring bands in a rounded cut out that prevents flat spotting on the shank when quality marking or hall mark stamping. This is dual sided one side is for marking men's rings and the other side is for marking women's rings. It measures approximately 2 1/2" x 1 1/4" x 3/4" (62 x 31 x 19 mm). We work hard to update our descriptions and pictures of our merchandise. As part of a process of ongoing innovation by our suppliers, newer versions of the item shown may be shipped before we are able to complete an update. As a result there may be a slight variation in color and design.