Cool-Tube is designed to protect wires, cables, fuel, brake lines and more from damaging heat sources. Manufactured from convoluted nylon 6 tubing and covered with an aluminized fiberglass fabric, Cool-Tube combines flexibility with maximum thermal protection and resists abrasions, chemicals, oil, condensation and other contaminates. Cool-Tube is pre-slit lengthwise for ease of installation eliminating the need to disconnect wires, fuel or brake lines. Cool-Tube is available in 1?2 and 3?4 diameters in both 3 and 15 lengths. Protects wires, cables, fuel and brake lines etc. . Withstands up to 500F direct continuous heatMade of nylon tubing - not plasticReduces temperature an average of 43%Pit Stop USA offers DEI Design Engineering Cool Tube - 1/2" I.D. x 3 Ft. 10414 at low everyday prices. Be sure to check out all of our products from Design Engineering including Design Engineering Spark Plug Wire Protection and DEI Spark Plug Wire Protection.