Insulates wiring hoses oil / brake / transmission lines & more Withstands 500°F continuous / 2000°F intermittent heat Burn protection during under hood repairs and maintenance Use for bundling and protecting hoses electrical wiring etc. Constructed from a high temperature resistant braided glass material woven into a sleeve and heavily coated with 100% iron oxide silicone rubber Fire Sleeve provides the ultimate in heat insulation and protection from direct heat up to 500°F.Each kit includes a 16-inch length of black Fire Tape to finish off ends of Fire Sleeve or when joining two Fire Sleeves together while presenting a clean and professional look.