Sand Blaster Gun

This sand blaster gun was made with things that I had all ready around in my tool boxes. The pipe is stainless steel with a OD of 0.250". The over all length of the pipe is 3.5". The screws and nuts are 0.250". The air gun is just a standard one with a fitting for the 0.25" pipe.
In the base of the deposit the hole inside was made 2 mm in diameter, but at the end I have to use a 5/32" drill to open up the hole in the plastic and in the stainless steel pipe. This way it worked better and I was