If you are a man that prefers metal to rubber when using a cock ring then you will love the Echo Triple Cock Ring, a quality three tier penis ring with each ring fused to the next.   Providing longer lasting and firmer erections, the Echo Triple Cock Ring has been crafted in high quality non-porous hygienic stainless steel that is impact resistant and temperature sensitive.   There are two sizes of the Echo Triple Cock Ring available, SM with a diameter of 1.75 inches or ML with a diameter of 2 inches and sits at the base of your erection where it will maintain your stiffness. This is the ML size