Sportsheets Seamless Metal O-Rings deliver versatile compatibility across the entire Sportsheets harness ecosystem. This three-piece set features precision-engineered nickel-free metal rings in 1.5-inch (3.8cm), 1.75-inch (4.5cm), and 2-inch (5cm) sizes, allowing you to customise fit and sensation with any flared-base dildo. The welded seamless construction ensures durability and smooth transitions during wear. Compatible with all Sportsheets Plus, Vibrating, Corsette, Leather, and specialty strap-on harnesses, plus the complete range of Sportsheets Flared Base Dildos. Whether you're exploring different sizes or maintaining backup rings, this set provides the flexibility to adapt your collection to your preferences. Hypoallergenic metal construction prioritises comfort and safety for extended use.