This is Tubing used with Pneumatic Control Systems or Retracts. FEATURES: Durable, High-Pressure Tubing for Pneumatic-Control Systems or Retracts. INCLUDES: One 5" Pressure Red (pink) Tubing One 5" Pressure Purple Tubing SPECS: Rated at Over 150 psi Outside Diameter: 1/8" Inside Diameter: 1/16" 9/3/92eke ir/jl