Kinklab Steel O'Rings - 3 PackThis collection from KinkLab features 3 nickel-plated steel cock rings for a perfect fit in any variation of ways youft.d like to wear them. Designed to create larger, harder erections.Product Details: Ring sizes: 2 (5cm), 1.75 (4.5cm), and 1.5 (3.8cm). Safe to use with any...