These Black Obsidian Crystal Dangle Stainless Steel Tunnel Plugs feature a beautiful dangling crystal design and are crafted from 316L stainless steel for durability. The black obsidian stone crystals measure 26mm with a full length (including chain) of 40mm. Available sizes range from 2G (6mm) to 5/8" (16mm), with a tunnel length of 10mm and a wearable area of 8mm. Sold in pairs (2pcs).