Coil tubing unit used in the oil and gas industry.
https://s3-us-west-1.amazonaws.com/h...ubing_unit.jpg
Previously:
https://www.homemadetools.net/forum/...055#post153383
https://www.homemadetools.net/forum/...041#post149300
https://www.homemadetools.net/forum/...967#post148950
