I recently purchased these but ordered too many, so I'm selling the unused ones. They are sold as a set of two. Carabiners are not included. These are rubber rings to keep carabiners in the correct position. Petzl Tanga Positioning Ring for Connectors, Carabiners 2 pieces Size: S Outer diameter: 20mm Inner diameter: 10mm Height: 20mm *Made of elastic rubber material. No discounts are possible.