These are rubber rings which are used to protect some delicate type of things like wires from the sharp edges of the metal.   Rubber grommets are also important parts in automotive applications. They are used to protect lines, wires and cables from chafing or grazing on rough surfaces. They can also effectively reduce vibration and are used to seal different important under-the-hood and body applications.

These are rubber rings which are used to protect some delicate type of things like wires from the sharp edges of the metal.   Rubber grommets are also important parts in automotive applications. They are used to protect lines, wires and cables from chafing or grazing on rough surfaces. They can also effectively reduce vibration and are used to seal different important under-the-hood and body applications.