PLEASE NOTE:WE ORDER THESE ITEMS AS WE GO ALONG, SO WE NEED TO CHECK FIRST TO MAKE SURE THERE IS AVAILABILITY. PLEASE EMAIL US BEFORE YOU PLACE YOUR ORDER MANY THANKS IN ADVANCE.WATERWORLD SPORTS Extra Strong & Flexible Super High Quality Black Rubber Hose, Precision Made with Perfect finish on the Press Bushings made from Marine Grade Stainless Steel, providing the highest level of protection against oxidation particularly when used in Hard Water Environments such as Lakes & Caves in addition to SCUBA & Technical Diving in all Marine Waters. Non Standard 1/2? UNF Male Thread for use with Regulator 1st Stages with Standard 3/8? UNF Low Pressure Port & 9/16? UNF Male Swivel Fitting for use with most types of Regulators Second Stages or Octopuses. 210 cm Long. Available in 6 Lengths ranging between 56 & 210cm.