First of all the shipping from Revain was amazing. But when I received my instrument, the box was open. I smeared it and it didn't work. Got it and it finally worked. I then tried punching through 18 gauge sheet metal and it took over 20 pulls to punch the hole. Not to mention making a flange. I have a supercharger from the Quincey store so no shortage of air lol. Didn't like it at all as I was waiting for the tool to replace the panel in the project. I need to find a better tool.