This is a very good product but a word of warning. When you dig up the ground, you don't know what's underneath. If he can pinch you, he can really hurt your wrist. You really should use a drill that has a handle on the side to support your hands. I used a half inch drill bit with a side brace and no problem. My wife and I drilled 24 holes and put 24 posts in the ground. Where we live there is a combination of soil above and clay below, so the clay tends to clog the drill.