Great way to measure outside diameters of tools

Looking for an amazing tool to measure the outside diameter of objects in your shop?
So versatile you can even measure your head like Joe in the video does. Not sure why you would, but there are lots of things this tool is good for.

At $39.95 measure-a-way!

https://www.penntoolco.com/igaging-electronic-outside-caliper-8-35-od8/