Friction stay Materials: SS304 (which is in the 8% nickel-containing, good rust-preventing) Size:12" ,14'',16'' Width:18mm Friction Stay For Aluminium Window StyleSize/inchMaterialType of windowGroovewidthThicknessStack Height4bars12'',14'',16''SS304It is suitable for large-scale or heavy-duty casement window and top-suspension window.18mm3.0mm16mmWe can also produce according to customers' ...