we are manufacture aluminum window hinge 1.Top hung and side hung widnows 2.Size:6" 8" 10" 12" - 24" inch are available aluminum window hinge Descriptionwww.huizheng.net1.Length:6- 402.Solt width:13.5mm-22mm3.Bar thickness:2.0mm,2.5mm,3.0mm4.Opening angle: 0-90 degree5.Materials: iron, SS430#, SS201#, SS202# ,SS301#,SS304# window hinge,friction stay,door accessories,aluminum window hardware