Coin Ring Tools Derlin Starter Cone for folding and reducing coins into rings using folding dies. This product is designed to be used in your ring sizing machine as well as hydraulic press or arbor press. Coin Ring Cone is .20 tip x 1.25 back" in diameter by 1.75" length. Its meant to be used with ANY BRAND of coin ring reduction dies to begin folding coins with holes from 1/4" inch (0.25") up to 1" inch (1.0"). For coins that are not 99% silver, it's important to remember that Delrin cones should not be your primary folding cone. Ringers should use a steel cone for the majority of the fold and then transition to the Delrin cone for the last little bit where you would get the most metal to metal contact. Made with precision and attention to every detail. Coins are NOT included. Returns accepted as long as the item is NOT damaged in the original condition, buyers pays return shipping.