Description: These came off a Trolly Crane from Boeing. They are for riding upon Angle Iron. They usually will roll straight and if necessary you can lay Angle Iron for the Device to follow without Surface Irregularities to upset forward movement
These came off a Trolly Crane from Boeing. They are for riding upon Angle Iron. They usually will roll straight and if necessary you can lay Angle Iron for the Device to follow without Surface Irregularities to upset forward movement
