Rookhawk, the bore and choke gauge to which Amarillo refers is the Skeets. You can get it as either a "universal" set with two heads (one for 10-12-16, the other for 20-28) for $182, or you can buy two separate gauges, one for the big bores and one for the small ones. As someone suggested, the latter choice is better--they're $90 apiece, so you're paying the same money, but you get an extra shaft and dial if you buy the two separately. And if you're carrying them around, like to a gun show or something, you can change heads and recalibrate, so you only have to carry one shaft/dial. But nice to have a spare.

I don't think any of the tools will do both wall thickness and bore/choke. Maybe the Hosford??