Dimensions of 622/422 takedown tool

[22shtur]

What are the dimensions of the takedown tool for the 422/622?
The tool that goes between the slide and the frame?

I need to make one, and would like to know the dimensions.

 

[Rule3]

Use an empty 22 case (or something similar)


[ame]https://www.youtube.com/watch?v=g--MXpT7-GA[/ame]


[ame]https://www.youtube.com/watch?v=sAEB1L2s_N0[/ame]