Used Chris Craft bronze rudder. Embossed “75534”. Approximately 17″ tall by 16 1/2″ wide as measured in the photo. 1 3/4″ diameter shaft that is 6 3/4″ long and then transitions to a 2 1/2″ long 1 3/8″ square steering link mounting area. and then a 7/8″ diameter top shaft that is 5 1/4″ long. Believed to be removed from a 1970’s Commander. 8-6166