So yes, I actually spent the 40.00$ for the carto punch tool, had the V2. It's well worth the money. When ordering a new batch of carto's I told them my screw was getting dull, they sent me a new screw, was awesome! BUT, now the threads have gone bad, it goes completely sideways on the carto and can't even turn turn the screw all the way to the bottom because of the threads being so sideways. I don't know if this is understandable, but my carto's aren't being punched, and I'm not going to grab a hammer and a nail just to pick up my PV to vape. Shouldn't be that way. Please reply to my email