Sold Individually. Please purchase a quantity of two (2) for a pair. 0 gauge stash plug. These surgical steel stash plugs are designed with a 5/16 Inch (8mm) wearable surface and a secret stasher compartment to hide small items. 316L implant grade surgical steel stash plug.. Specifications: 0 Gauge (8mm), 5/16" (8mm) wearable surface, 316L Surgical Grade Stainless Steel (Item is sold individually). 0 Gauge Stainless Steel Stash Plug