Bob from SWISCO responded:
October 6, 2021
This looks a lot like our 39-226, which has a 5/16" pro hex drive. Please compare and see if you think this matches up. Note however if the entire operator has worn down, the only reliable way to match a replacement is to show us the actual assembly, including the link arm(s). We'll do our best to find what you need from there. |
Bob from SWISCO responded:
November 5, 2021
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So does picture show a left or right hand system