I decided to do it myself. For this, I used a 10mm leaf drill bit that I had at hand. The result was even better than I expected.
More... Cutting
In this video I am making a very useful tool for Spray Painting. A trigger handle that you can easily install and use of spray paints.
More... Hand Tools
I am making a jig to glue sandpaper. A great tool for making perfect sanding belts easily and quickly.