These silicone wrapped fiberglass sleeves are ideal when you require protection from constant temperatures up to 500°F. This Heat Protect sleeving is highly flexible and is engineered to protect hoses, cables and wire harnesses from damage caused by exposure to extreme heat, open flame and weld sparks. It will also contain radiant heat, saving nearby components from heat damage. This sleeving will resist automotive chemicals and solvents and provides protection from abrasions, punctures and moisture.