How is this part called and where to find it?

It's a part of a bottom hinge of the old tilting wooden balcony door. The hinge came apart preventing the door closing as shown in the picture. There is a logo "SI" on it. Googled and found a company called Siegenia, but there is no parts like these in their shop. Any help is appreciated, thanks.

by Mysterious-Art7143

2 comments
  1. I saw something similar in a lidl store a few days ago. It costs 1,60€. (Maybe if a lidl near you has it and you want to try)

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