Heatshield Products Fire Shield Sleeve™ provides thermal and physical protection against excessive heat with its rugged silicone covering.This fuel line heat shield tubing starts with braided fiberglass yarns in a flexible substrate, then is coated with a high-grade silicone rubber. This rugged silicone coating makes the Fire Shield Sleeve™ resistant to most chemicals, including hydraulic fluids, oils and fuels. The coating also makes it resistant to abrasion and fraying. You can use Fire Shield Sleeve™ for brake lines, fuel lines, wiring harnesses and cables, making master rolls a must-have for any hot rod and race car shop. The rugged silicone coating also makes Fire Shield Sleeve™ ideal for protecting welding lines and cables. This oil line heat sleeve is designed to reduce and dissipate heat, and works great in harsh environments that require thermal protection and insulation. This heat sleeve fuel line withstands 500 degrees F continuous and brief intervals of 900 degrees F, and allows for the bundling of wires, hoses and cables.