Heat Sheath(TM) solves the problem of heat and abrasions causing failure of lines, hoses & wires. Designed to slide over wires, cables and hoses, Heat Sheath provides the ultimate protection from extreme heat as well as chemical and oil spills, dirt, grease and road grime. Constructed from a high temperature fabric and bonded to an aluminized material to reflect heat. Heat Sheath is fireproof and withstands direct heat up to 500F. Pliable for tight bends Capable of withstanding 2000F radiant heat Trim to desired length NOTE: Each diameter is available up to 50 ft lengths. Other diameters are also available as a special order. Items with custom cut patterns andDO NOT apply directly to exhaust components.