Double Horn Anvil For Metalsmiths, Riveting, Flattening, Forging & Forming Metal. This is a new double horn anvil. Great for metalsmiths, riveting, flattening, forging and forming metal. Has a round and flat horn. Mounted on a sturdy base. The base measures approximately 4 1/2" (114.3 mm) in diameter. The anvil measures approximately 8" x 1 3/4" x 1 3/4" (203.2 x 38 x 44.5 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.