Heat Shield Sleeve Fuel Brake Line Hose 3 FeetHeat shield sleeve with velcro for up to 1 2" tubing, 3 feet long. Thermaflect sleeve can be installed without disassembling fuel or brake lines. Use hook and loop fastener to wrap around existing lines up tp 1 2" diameter. This product works great to help protect hoses from high temperatures from the engine bay or exhaust. Works great on fuel lines, rubber hoses and brake lines. Three foot section. *Pictures shows wrapped around 5 16" fuel hose which