Tunnel plugs witha dripping effect arecrafted with gold pvd on 316L stainless steel and provide a secure fit with a screw-on back for easy installation. The full length measures 13mm with a wearable area of 8mm, and sizes range from 2G (6mm) to 5/8" (16mm). For healed piercings. Externally threaded. Sold in pairs (2pcs).