Heatshield sleeve for fuel lines, coolant lines, brake lines, wires, anything that needs protected from heat. This sleeve is a plyable (not woven) material that can make bends but will not unthread or fall apart like others. Inside diameter will expand up to 20%. Withstands 1200 degrees F continuous and 2000 degrees intermittent. Reduces up to 60% of radiant heat. Expands and contracts over fittings and materials. Choose from 3/8", 1/2" and 3/4". Sold by the foot (12"). If you order more than 1 foot it will be in a continuous piece.