Vertex click pen question

[cmccarter]

Is the tube for the vertex click pen the same size (diameter/length) as the vertex click pencil? I managed to take the tube out of the package and know don't what size it is.

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[allisnut]

I am 99.2% sure they are the same. I think 3/8 x 3, but I may be off.

 

[Ted iin Michigan]

If you go to the PSI web site and bring up the pencil page, click on the "accessories" tab. It shows the replacement tubes as the click pen tubes - same thing.