There's a large nut which bolts onto the main frame which secures the hole saw. You can attach the drill down it to the main frame or remove it. I'll take some pics later on and show you how it works.
There's a large nut which bolts onto the main frame which secures the hole saw. You can attach the drill down it to the main frame or remove it. I'll take some pics later on and show you how it works.