Screw back tunnels plugs with atree of life design on the front laying over a glittering, synthetic opalite gem. Made from 316L stainless steel. Externally threaded.Available sizes: 0G (8mm), 00G (10mm), 1/2" (12mm), 9/16" (14mm), 5/8" (16mm).Full Length: 11mm X Wearable area: 6mm.Sold in pairs (2pcs).