Used Minn Kota outer column with bearing. Over all length with bottom collar for bearing is 18 1/4". Shaft is from a Minn Kota bow mount motor. Note the inner tube and height stop collar as show in the last pictures is not included. It's just to show when the part goes.   

Item is sold as is. Watch my other listings for more Outboard motor and parts, trolling motors parts and Boating items both new, used and vintage items. Shipping cost applies to the lower 48 states. Please ask questions thru ebay before bidding and good luck.  (loc 7 B 2 )