Thermal Sleeve by Heatshield Products is great for simple and effective heat protection for fuel lines, brake lines, wire harnesses, and more. Simply slide over your cables, lines, wires, etc and they take care of the rest. HP Thermal sleeve features a 1/2" inner diameter and is 6 feet long. HP Thermal sleeves can witstand up to 1000 degrees F of continuous heat and up to 2000 degrees F of intermittent heat. The part number for this item is 201012 . It measures 1/2" by 6 Feet Long and can be cut to multiple pieces or any specific size quickly and easily with a razor knife.