Brand: NITRA Item: Tubing Operating Temperature: -454 to +500 deg F Material: PTFE Color: Natural Inside Diameter: 5/16in (8mm) Outside Diameter: 10mm Operating Pressure: 112 psi Working Fluid: Air or inert gas Working Length: 100ft package NITRA pneumatic tubing, PTFE, natural, 10mm outside diameter, 5/16in (8mm) inside diameter, 100ft package.