I was building a tongue and groove base extension and although this tool could have saved my back. All I can say is why didn't I get this sooner? I've built and renovated five houses and it would save me so much time, not to mention the fences I built. The tool is very easy to set up and use. I screwed the 4x8 underbody panel in 1/3 the time, at least I had to use a standard screwdriver and screws. Screws are more expensive, but the ease and speed make up for the extra cost. It comes in a veryβ¦