1、Features: This fiberglass sleeve is specially woven to allow expansion and contraction through fittings, cables, terminals, etc. Simply pull the wires inside, hoses, cables, etc. 2、Free Cutting: This fiberglass sleeve can be freely cut to the desired length, which is convenience for your to use. 3、Material: This fuel line protector sleeve is made of fiberglass material, which can reduce radiant heat by up to 60%, you can rest assured to use. 4、Function: The fiberglass sleeves help prevent vapor lock up, prevent wire melting, protect sensitive wire looms from proximity heat, shield brake lines and hoses. 5、Heat Resistant: The fiberglass sleeve can withstand continuous 600°C and intermittent 1100°C temperatures to provide protection for fuel lines.