The Xtreme-Shield™ is a virtually unbreakable polycarbonate outer tube that protects the internal electronic components of the light from damage due to impact, coolants, and lubricants but with the added benefit of a chemical-resistant coating to help protect against lubricants and coolants. The picture below shows the strength of the polycarbonate outer tube.
![carontube - Inmark Enterprises](https://inmarkenterprises.com/wp-content/uploads/2022/09/carontube.jpg)