Replacement inside handle broken

A home owner from Delaware says:
My storm door lock is broken. The outside handle hangs down. I believe it is due to the inside handle. My inside looks like the 40-150, however, the spindle coming through the door from outside to inside handle is 5/16 in. what do I order.

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Dave Sr. from SWISCO responded:
I believe the Swisco 40-150 Inside Handle is the correct handle. It is made to take a small or large spindle.
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