Master Series Echo Triple Ring 50mm e or 2 Inches. Stainless Steel Triple Cock Ring takes erections up a notch with The Echo stainless steel three tier cock ring. Each ring is fused to the next, creating a powerful look and long lasting erection enhancement. Stainless steel is non-porous, hygienic, easy to sterilize, temperature sensitive, and impact resistant. Prolong the pleasure! Measurements 2 inches in diameter. Material stainless steel. Color Silver.