... It has three working rollers, the positions of the two bottom rollers can be adjusted along the arc.assisting ... for Standard Profile.Easy and Quick Roll Change.Scale for Clear Adjustment of Top Roll.All Shafts Run in Roller Bearings.The Machine ... Solid Square or Round, Angle Iron (Leg In or Out), Round Tube, Square Tube, Rectangular Tubing. angle roller machine,section bending machine,rolling machine