Anti-drop, double-safety design Material:SS304 Spec.: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, window hardware, window accessory:: 1) Available in 8", 12", 14", 16", 18" ...