125pc Rubber Grommet & Plug Assortment - Includes Solid Plugs - Automotive, Airplane, Marine Applications Generous assortment of essential hardware items in convenient re-sealable organizer case Includes through-hole grommets in 11 sizes and 7 sizes solid rubber plugs (see description for list) Grommets protect electrical wiring, fuel, water & hydraulic lines when passed through metal walls Rubber plugs seal holes, add finished look to your application; all oil-resistant Nitrile rubber Outstanding value - 125 quality hardware items for price of half-dozen in hardware store!