... .5mm/3.0mm 3.Material:S.S304/301/202/201 4.Groove width:13.5mm 18mm 22 mm We are a ... contact me at any time Name:Friction stay, window hinge,friction hinge,window hardware,four bar hinge,hinge,window accessory,window fitting ... ",18",20",22",24",26",28",30",32",34",36".Bar thickness:2.0mm,2.5mm,3.0mm.Opening angle:55 ... ,50pcs in a carton. heavy-duty friction hinge,window friction stay,bar hinge