https://a2pro.com/en/half-set-for-front-door/707-actural-fixed-knob-for-fichet-primlock-vertipoint-t-and-fortissime-t-locks.html
Actural door knob for Fichet Primlock, Vertipoint T and Fortissime T locks
Fixed knob on rectangular plate for Primlock, Vertipoint T, and Fortissime T locks with round cylinders. Hole diameter 37 mm + control
door knobfichet