... 3.ISO9001 :2008 Name:Metric Multiseal Fittings20611Material:Carbon Steel, Stainless Steel, Brass,alloy steel etc;Surface:Cr+3 or Cr+6 Zinc ... use with spiral hoses, hose fitting series number is 20612-xx-xx; Our main products are Ferrule, Hydraulic fittings, Hydraulic hose fittings, ... cross, etc, details comes below:1) Ferrule, matched with many kinds of pipes such as SAE, DIN, EN, GB etc2) Metric ...