Black, Surgical Steel 316L with a black PVD coating, Single flared eyelet. Thin walled flesh tube.Make the most of your holes with these flared eyelets. The thin sides of these tunnels make your holes look as big as possible. They come with a rubber o ring to hold them in place.

8, 6, 4, 2, 0, 00, 7/16", & 1/2" gauge= 11mm long
9/16"= 14mm long
5/8"=16mm long
3/4"=20mm long
7/8"=22mm long
1"=25.4mm long