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.