90° Mandrel2 versions for 3-dimensional bending, forTubes with 13 or 12 mm Ø The horizontal angle is freely adjustable over 180°. To adjust, loosen the back M4 screws using the included hexagon socket and set the desired angle with the 1° scale. Finally, tighten the screws again. Select the correct version, to correspond with the diameter of your selected tube.