Available in master rolls 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 450 degrees F continuous and brief intervals of 700 degrees F and allows for the bundling of wires hoses and cables. Features: Continuous operating temperature of 450 degrees F 700 degrees F intermittent Silicone layer can be cleaned and protects against abrasion Helps to prevent vapor lock Protects wires from melting Size: 3/4 Inch ID x 3 Foot (Black) Operational Temperature: 450 Degrees F Peak Temperature (30 seconds or less): 700 Degrees F Color: Black Material: Silicone/Fiberglass Made in the USA Sold As Each Installation Tips: Slide On and Product can be placed directly on heat source Warnings: Always wear safety glasses Dust mask gloves and long sleeves are recommended when handling this product