operator system

A contractor from New City says:
Hi Guys ,

We are kindly ask for your help to identify the operating crank system that broke.
Arms look in a good condition so its only the crank system.

Thank you
Benny
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Bob from SWISCO responded:

Hey Benny. Take a look at our 39-315 and 39-316. Go over the dimensions and see if you think these match what you need. 

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