... Material:SS304 Spec.:10",12",14",16",18",22'', 24" casement stay window hingeAnti-drop, double-safety design Material: SS304, or ... .5/3.0mm Square slot width: 22mm1. improvement of traditional casement stay. High-head design with double-safety and strengthened-installation ... -handed and heavy-duty, KB220 is suitable for side-hung outward opening aluminum window or PVC steel window.3. steel and nylon ...