... ,202,304,etc Kinds of Surface finishing less steel SS201,202,304.. Door & Window Hinges1.High polished 2.Enough thickness and enough ... when you open the hinge 4.Material:Stainless steel SS201,202,304..Material:stainless steel 201,202,304,etcSurface finishing:sand silver ... ):125*75*2.5mmDiameter of axle:12.2mmBearings:4BB stainless steel door hinge