BST Reflectsleeve Fiberglass Heat Sheath Aluminized Sleeve is a flexible heat protection tube delivering ultimate thermal protection to components used in the automotive industry. These tubes are extremely useful when used near the engines and exhaust systems. The High Temperature Therma shield Self Wrap Reflect Sleeve can successfully cover and protect engine wire harnesses, hoses and tubing, A/C line, hydraulic and fuel lines and control cables. The working temperature of the tube is 200°C. Other features of the tube are flexible, durable, fluid and chemical resistant and quick-to-install.