Set of 2 detailed, 3D printed stern aircraft crane strongbacks for use on US Navy battleships - North Carolina, Washington, Indiana, Alabama, Iowa, New Jersey, Missouri and Wisconsin and cruisers - Brooklyn/Helena class and Wichita,
Designed for use with the crane boom on Tom's Modelworks sets 3506, 3507 3510, 3553 and 3566 . Will likely work for any manufacturer's set that includes this style of crane.
Two versions of this crane were used, one with a solid back and one with an open back. THIS IS THE OPEN BACK VERSION.