Connector KSGER T12-Soldering Station

I have a solderingstand on top of my KSGER-T12 Solderingstation. To prevent it from moving around i made a small connector, that fits into the casting of the soldering stand and is mounted to the housing of the KSGER-Station.

I bought mine here:

Banggood - Soldering Stand 

Banggood - KSGER T12