Spartacus Leathers Cock Gear Rubber Cock Rings. 2 inches Firm Rubber Cock Rings Black. What fun! When worn around the base of the penis and testicles, many users find that cock rings increase sexual pleasure. Cock rings in a single size 2 inches. Weighs 0.24 pound. Spartacus A Passion For Quality Catalog page 18. Made in the USA.