Tubing PTFE Inside Dia 0.730 In Outside Dia 0.975 In Length 25 ft. Material of Construction PTFE Max Working Pressure @ 70 F 40 Tensile Strength 2 500 to 4 000 PSI Temp Range -454 To 500 F Wall Thickness 0.035 In Hardness Shore D 50 To 65 Color Black Standards MIL-T-81914/1