1/4' MPT Stainless Steel Adapter Plug for Cornelius Kegs
These adapter plugs will replace a plug (also called posts) on either In (Gas) or Out (Liquid) side of ball lock or pin lock Cornelius brand kegs.
This is a post with a 1/4" MPT end, used when you need to attach fittings to keg without using posts.
Often used when converting kegs to sprayers.