This tubing meets the standards for NFE 49.100, has a length of 50 feet, a maximum operating pressure of 333 psi @ 68 Degrees F and is designed for the following applications: air. It is black, has an operating temperature of -4 Degrees F to 175 Degrees F and is resistant to chemical, humidity and is made of nylon. In addition, it has 5/32 inch outside diameter, ⅛ inch inside diameter, with an inch system of measurement, with 0.03 inch wall thickness, and Shore D 60 hardness.