Spartacus Leathers Cock Gear Rubber Cock Rings. Firm Rubber Cock Rings Blue 3 Piece Set. Test out all of our rubber cock ring sizes in the selection of colors. Each set contains one 1.25 inches ring, one 1.5 inches ring and something 2 " ring. What fun! When worn around the bottom of your penis and testicles, many users discover that cock rings increase sexual satisfaction. Weighs .26 pound. Firm Rubber Ring Set from Spartacus A Love For Quality Catalog page 18. Made in the united states. New image added Feb 10, 2013. -old