Cobalt SF Bullet Holes by Gorilla Glass 12mm dia ~ 15/32 inch One of the ball ends

One of the ball ends is permanently fixed to the barbell

These double flare oval teardrop plugs are handmade from water buffalo horn and polished to a smooth finish by Siam Organics

The interior diameter is measured inside the clicker from top to bottom

These are sold as a pair

These double flare plugs are made from solid rose brass and black onyx

Cobalt SF Bullet Holes by Gorilla Glass 12mm dia ~ 15/32 inch One of the ball endsThese single flare cobalt bullet holes are made from hand blown glass by gorilla glass. Size availability is limited by the availability of raw material (glass tubing). These are only available in the specific sizes we have listed here. They have a wearable area of approximately 3 8" between the flare and o ring. These don't have a groove for the o ring. Two clear silicone o rings are included. Choose your size below.