ONE PAIR of 316L Stainless Steel flesh tunnels.

16 g - 00 g is 6mm wearable area.

7/16"-3/4" has 5/16" wearable area.

7/8" - 1" has 3/8" wearable area.

1 1/16" - 2" is 6mm wearable area.

These tunnels have a screw on back piece to hold them in place.