1) Folded edge
2) Fastening type frame part: weld-on
3) Fastening type frame part: screw-on
4) Pin version: without slot
5) Pin version: with slot incl. DIN 6799 locking washer
6) Pin version: with slot incl. O-ring
7) Locking sleeve
8) Weld bead
9) Reinforced
10) Fastening with M5 countersunk screws
11) Notch in the door