The Durston Hardwood Round Bracelet Arbor features a smooth, uniformly tapered design that's perfect for bangles, bracelets and other curved items that won't mark or scratch on metal. It measures 380 millimeters in height, 71 millimeters in diameter at the base, and 38 millimeters in diameter at the top. With its durability and soft finish, this tool is perfect for professional jewelry studios and artisans.