Close off an unwanted hole with the Dual Goof Plug. The sturdy plug seals the hole on the spot and eliminates the laborious task of removing, sizing, and replacing damaged tubing. Dual-sided plugs feature two different sized ends and are designed to fit different hole sizes. Plugs are easy to push into the hole by hand, or can be inserted with a fitting insert tool. Works on various tubing sizes. Goof plugs come conveniently attached together in sets of ten and snap off when ready to use. Made of polypropylene treated with UV inhibitors.