Coin Ring Tools Stainless Steel Starter Cone for folding and reducing coins into rings using folding dies. Stainless steel folding cone machined from heat treated 17-4 stainless steel. 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"). Made with precision and attention to every detail, this Stainless Steel folding cone will never rust and will last a lifetime ! Coins are NOT included.