Green Aventurine Conch Plugs (8 gauge - 4 gauge)ONE PAIR of green aventurine single flare conch plugs. Each plug comes with an o ring on the back to hold the jewelry in place. They have an extra long 1 2 inch wearable area to fit comfortably in a conch piercing. 1 2 inch wearable area. Additional Info: Stone items are all hand made so they may slightly vary in size, color, and shape. All of our stones are guaranteed to be within 1mm of the stated size. If you need an exact measurement or better