Operator ID Help

A home owner from USA says:
I'm looking for a replacement part for Truth 45345 and arm 31850. Thanks
User submitted photos of a window operator.
Profile picture of Tom
Tom from SWISCO responded:
Start by looking at our 39-315 and 39-316. It's hard to tell what size your arms are based on your pictures, but carefully compare your measurements to ours to confirm. It also looks like your operators have detach clips, while ours do not. You may have to re-use those. They should just pop off with a screwdriver.
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