What is this kit??

[jpford]

I know I should know it. I bought it, but... well it's a long story, so please help an old fart out. See attached...

 

[jttheclockman]

Rinehart Pen

 

[jpford]

OMG!! Arizona Silhouette... As soon as you typed it, I knew. Getting old is a terrible thing Many thanks!

 

[RileyD]

It looks like one of the Vertex Supreme kits, except for the threaded cap.

https://www.pennstateind.com/store/PKFP5540.html

 

[jpford]

Yes they do share the octagonal shape, but JT already answered it deadon; Rinehart, without a doubt.