Finally I saw close up pics:
https://www.contra.de/en/new-at-contra/new-blades/stiga-holz-azalea-offensive.html -- Offensive
https://www.contra.de/en/new-at-contra/new-blades/stiga-holz-azalea-allround.html -- All Around
Stiga All-around and Offensive classic similarities?? Limba outer...