... Name:Friction stay, window hinge,friction hinge,window hardware,four bar hinge,hinge,window accessory,window fitting,handleMaterial:SS304#,SS301#, SS202 ... ",18",20",22",24",26",28",30",32",34",36".Bar thickness:2.0mm,2.5mm,3.0mm.Opening angle:55 ... in a carton. heavy-duty friction hinge,window friction stay,bar hinge