An ingenious heavy duty tool that accurately and straightens light wall tube from coil.  Straighten what you need with less material wastage, as well as creating accelerated flow from straighter pipe.
 
Accurately straightens light wall tube from coil
Straighten what you need – less material wastage
Accelerated flow for better efficiencies from straighter pipe
Rollers spiral along the tube to straighten and strengthen pipe
Create radius tube bends using the central hole