... high temperature .and it won't be oxygened . SEB-B-1 silencer Pivoted and Plated the Nickel WhollyMaterial:Stainless SteelItem ... Code:SEB-B-1-6,SEB-B-1-8,SEB-B-1-10,SEB-B-1-15,SEB-B-1-20,SEB-B-1-25Thread ... or if you want some of them be nipple or zinc plated, that's OK,Our products mainly used in many ... time, to reduce the noise is other function SEB-B-1 silencer Pivoted and Plated the Nickel Wholly