TEKTON 46134 3/8-Inch I.D. by  10-Foot 300 PSI Hybrid Lead-In Air Hose with 1/4-Inch MPT Ends Makes a flexible connection from rigid supply line to hose reel to isolate vibrations Stays flexible and easy to work with, even in the cold Slides over rough surfaces without abrasion Lightweight, low friction hybrid polymer resists kinking and tangling Solid brass connectors never corrode and seal better than aluminum, steel, or zinc