... 2.0,2.5, 3.0mm thickness. window hinge window friction stay1.Spec:8",10",14",16",18", ... 22 mm We are a professional manufacturer of window hardware, welcome to visit our website for ... any time Name:Friction stay, window hinge,friction hinge,window hardware,four bar hinge,hinge,window accessory,window fitting,handleMaterial:SS304#, ... in a carton. heavy-duty friction hinge,window friction stay,bar hinge