3051912-A - Arcul de torsiune înlocuiește Hörmann R705 și R 25
This torsion spring is turning right
Wire diameter: 6 mm
Inner diameter: 50 mm
Convolutions: 119
The spring identification is labelled on the aluminium banneret of your old spring.
In case the aluminium banneret is gone, in order to identify the correct torsion spring we need the following data which you please find on the type plate on the inner face of the door section.