Spartacus Leathers Cock Gear Metal Cock Rings. Black Steel Cock Ring 1.5 inches. Steel is an excellent alternative for those with nickel allergies. Spartacus black steel cock rings make a striking visual statement with their black color. Nickel free. When worn around the base of the penis and testicles~E/E many users find that cock rings increase sexual pleasure. Prolong rings~E/E erection enhancement~E/E climax control rings~E/E cock rings. Weighs 0.32 pounds. Black Steel Cock 1.5 inches Ring from Spartacus A Passion For Quality Catalog page 26. Made in the USA.