Part ID and replacement

A quick learner says:
Looking for replacement parts for these
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Tom from SWISCO responded:

Thanks for reaching out to us. This operator looks like it could be a match for either our 39-094 or 39-150, depending on the size of the arm. Look over the diagrams below to determine the best size.

Dimensions for 39-094
Dimensions for 39-094

Dimensions for 39-150
Dimensions for 39-150

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