the open close knob is at center bottom.They are like new condition and have never been installed.Price is $100.00 each.
[img]http://www.tnttt.com/gallery/image.php?album_id=2829&image_id=164323&display=popup[img][img]http://www.tnttt.com/gallery/image.php?album_id=2829&image_id=164324&display=popup[/img]