... :stainless steel 201,304,316 2.Surface finished:SS,PSS,BP,GP,AB,AC,etc 3.OEM is available stainless steel security door chain1)Material:stainless steel ... #201/#304/#316/etc.2)Surface Finish:SS,PSS,BP,GP,AB ... ,AC,etc.3)OEM is welcomeAdvantage Of hinge: 1)Good quality with best price ...