... .:10",12",14",16",18",24" Bar thickness:2.5,3.0mm friction hingeMaterial: stainless steel 201 or304Groove form: roundThickness: 2 ... .0mm/2.5mm/3.0mmStack hinght:14mm/14.5mm/17mmSize: 8 inch---16inchSlot Width: 18.00mmFour bar hinge, Friction hinge, windbreak, friction stay ... 8", 12", 14", 16", 18" and 28"2) Window friction hinge is made of high grade stainless steel3) application scope :aluminum ...