Alex, EEYORE5182@aol.com wrote: >does anyone know if the size of the size of the gauges is whats "viewable"? >for example, a 2 1/16 gauge is 2 1/16 viewable? No. that's the size of the hole they mount through. AKA 52mm. The viewable size is pretty close though. What do you need? I have some duplicates. Geo