316 stainless steel, PS series PTFE lined stainless steel metal braided hose, nominal hose size 1/4", smooth pure PTFE inner tube, 304 stainless steel outer braid, one end is 1/4" tube adapter, one end is 1/ 4 NPT male thread, total length 2000mm (78.74"), with 302 stainless steel protection spring, FITOK FC-02 special cleaning and packaging