316L Surgical Stainless Steel Lazer Cut Star clip in ball. This clip-in accessory is designed to clip into captive ball closure rings (BCRs). The size of the ball is 6mm, so you will need to make sure your Ball Closure Ring fits this size.
Each ball is sold singularly.
Clip-In (captive) balls have a dimple on either side of the ball, where the ball clips into the ring.