This a replacement for the bar switch of the Einhell TE-SW 18/610.
You can use the original screws and the cable gland.
It is made for switches with +/- 12mm diameter.
Use a 3.5mm drill to widen the holes for the original screws
I used this:
Let me know your makes and/or your opinion.
The author marked this model as their own original creation.