40-145 will work

A quick learner from Coopersburg says:
Storm Door Latch, 1-3/4"
40-145 will work but I also need the 3/16 piece os square stock. The door is 1.5" thick.
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Manuela from SWISCO responded:
Hello there. I am not sure what you mean when you say "square stock". If you could clarify that for us that would be great. In the meantime, take a look at the diagram below of our 40-145 storm door latch to see if this will offer some additional help to you.
Dimensions for 40-145
A quick learner from Coopersburg says:
By 3/16 stock , I'm referring to the linkage between outdoor knob and indoor knob/handle.
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Dave Sr. from SWISCO responded:
Thanks for waiting. Please see our 40-187L. This is a 4-1/4" long by 3/16" thick spindle which fits our 40-145.

You will need to use a hack saw to cut it the correct length. Watch the related video on installing the 40-058 handle. It's a different set, but the principle is the same. In the video they suggest having the spindle extend past the storm door approximately 1/4". I would cut it a little longer to make sure you don't cut too short. You can always trim a little more off if it's too long.
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