... Multiseal Fittings20611Material:Carbon Steel, Stainless Steel, Brass,alloy steel etc;Surface:Cr+ ... and many other fields related with hydraulic and their delivery system of fluid and gas ... with spiral hoses, hose fitting series number is 20612-xx-xx; Our main products are Ferrule, Hydraulic fittings, Hydraulic hose fittings ... below:1) Ferrule, matched with many kinds of pipes such as SAE, DIN, ...