I have a 6" Nils works perfect for most of my fishing but looking at fishing for some bigger species once or twice a year. I was gonna buy a second auger but found a great deal on a 8" Nils head wondered if I could just swap the head on to pop a few holes. I know its not gonna clear the hole but Pa only gets less than 12" of ice so I could scoop it, if it fits on the smaller auger.