Napoleon Stainless Steel Marinade Injector features a see-thru window with ounce and teaspoon measurements for measuring the perfect portions. There are two interchangeable needles for injecting based on the type of solution you are using. The smaller gauge is perfect for liquid sauces, butter, wine, and thin marinades. The larger gauge needle is perfect for marinades and injections with small solids like garlic and herbs. Maintaining your injector is easy with the included cleaning brushes. Also included, is a fantastic storage case to make sure everything is stored safely and together.