You are purchasing 1 Certified Stamped airbreathing 5/16 x 50' dive line with stainless steel 1/4 npt male stainless steel threads and added bend restrictors.  Easily hook up your Hookah pumps or compressors. Perfect for dock side boat repair, floating for spearfishing ,lobster dive, treasure hunt, custom build your own hookah and many more applications.  Now is the time to switch to a safer easier and affordable way to go diving.  here is what you get

1- 50' stamped 5/16 air breathing yellow dive line  
2-stainless steel crimped 1/4 npt male ends
2-bend restrictors.
  • 1/4 npt ss Male Threads 
  • 5/16" ID
  • Working Pressure: 250 PSI
  • Burst Pressure: 700 PSI
  • Made from SBR Rubber
  • Hose protectors on both ends