Spartacus Leathers Cock Gear Metal Cock Rings. Black Steel Cock Ring 1.75 inches. Steel is a superb alternative for individuals with nickel allergic reactions. Spartacus black steel cock rings create a striking visual statement using their dark colored. Nickel free. When worn around the bottom of your penis and testicles, many users discover that cock rings increase sexual satisfaction. Prolong rings, erection enhancement, climax control rings, cock rings. Weighs .37 pounds. Black Steel Cock 1.75 inches Ring from Spartacus A Love For Quality Catalog page 26. Made in the united states. New image added Feb 10, 2013