Dewalt DC970 Level

On Sunday's I always make something, it's a rule I've had for a long time. And it has to be something that I normally wouldn't take time out during my week to do. I don't really need this but was inspired by Diresta's youtube video DiResta Jimmy Tips 7.

It's an attachment for a Dewalt DC970 drill adding a couple of levels and a method to drill lots of vertical holes quickly. I tried it in a vice with a wire wheel but not sure if I trust it for that, use at your own discretion with safety gog