Entry Gard operator

A quick learner from Texas says:
I took one out and measured both arms:

small arm center of pin to center of screwhole 3 1/14"
small arm end to end 3 13/16"

big arm center of pin to center of roller 8 7/8"
big arm end to end 9 9/16"

hope this will do it. I am not going to return the crank handle, that works just fine and I will order another. if the operator covers are all the same then i should keep those as well. Can you tell me if they are universal?
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Paul from SWISCO responded:
Hello again! This operator looks like our 39-156, whose opposite side is the 39-155. I would recommend looking over our dimensions just in case. It uses our 39-107 cover and 39-114L handle, which aren't necessarily universal, but can work for many Truth operators.
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