Unique design allows for easy transportation of jib crane with a fork truck. Base included with jib crane is filled with concrete Base may be Base measures 42-3/16" x 42-3/16" and includes built-in fork tubes. Fork tubes are 7" W x 2" H usable on 24" fork centers. Fixed length I-beam will pivot 360° for complete access. Under I-beam clearance is 10'. Upright vertical column bolts to base. Steel construction with blue painted finish. Units ship knocked down. Unit not for use as a fork truck attachment.