Pioneer Works 12ANC 12" Aluminum Night Cap (No Pressure Foreman Plug)Single bolt, low pressure Foreman Isolation Plugs from USA Industries are specially designed to temporarily seal pipe ends during pipeline maintenance or construction. The use of Foreman Isolation Plugs, or Night Caps, help prevent unwanted material such as dirt, water, debris, animals, etc. from entering your pipelines. This is critically important when protecting your expensive pipeline projects. Foreman Isolation Plugs are made from rugged yet