If you need your wires, cables, pipes, or other materials to be protected from rough edges of the opening, and you need it for a longer period of time, then you will definitely make a decision for long neck grommets. These grommets are a Little bit different in shape from the standard ones because they are characterized by the long neck they have. Its neck and its length are responsible for the long-term and safe protection of your wires and cables. Depending on the model of the borehole through which the wires should pass, there are two basic types of long neck grommets. 

The first model has two folds at the very top of the grommet that is separated by groove width. The edge of the cavity on which this grommet is installed should jump exactly to that width and thus be secured on both sides. Besides this model, there are also long neck grommets that have a crease at the very end that rests on the edge of the material where the hole is. It depends on your needs whether you will use long neck grommets with one or two folds, as well as which will be overall thickness.

Long neck grommets are made of high-quality plastic. You will be surprised by the quality of these grommets and their durability. They can withstand large temperature differences without any trouble, and they work great at temperatures from -40 to 230 degrees C. they can also be used in outdoor conditions because they are resistant to moisture, UV radiation, light, various chemicals and oils. You can find a large number of different lengths and diameters of these long-neck grommets on the market. If you try them once, you will wonder how you could have done the job without them so far.