Our Steel Hook and Eye measures 6” in length and includes an attached 1-4/8” closed eye screw for mounting. One additional eye screw is included for locking your window or cabinet door. An additional eyelet could be used to prop the window open. Hook and eye latches can be used for securing gates, doors, windows, cabinets, sheds, screens, and storm panels for simple and efficient security. For indoor or outdoor use. They can easily be installed on wood with some elbow grease, or using a drill to create a pilot hole.