Phillip writes: “You can never have enough tools to help you layout angles in relation to plumb or level surfaces. This one fills a unique niche by combining the degree indicator and bubble vials all in one tool.”
Here’s the gist: After using the built-in vials to level the ‘PAL, you can use the black bar to match an existing angle, then lock it down with a screw for replication. Or, if you already know the angle you want, you can dial it in, lock it down, then level the tool to mark the correct angle.
There’s a pencil holder hidden inside the black bar, and it’s marked with 16″ of ruler for framing work.
Street pricing starts around $30, and it looks to be available at most big-box and hardware stores.