1.Material: Iron, stainless steel 201,202,304 2.Finish: SN,PB,SB,AB,AC 3.Size: 4"x3"x2.5mm 4.More size avaiabl Iron door hingesMaterial: can be iron, stainless steel 201,202,304Finish: SN,PB,SB,AB,ACSize: 4"x3"x2.5mmOur iron hinge is with high quality. We have more size available for your selection. 4x3x2.5mm high quality door hinge with crown top