New handle units needed for these casement windowd

A home owner from MA says:
October 18, 2016
My home is filled with casement windows. I need five replacement units for the crank handles.ss the existing ones are stripped. Names like Truth and Entry Gard appear on the arm. See photos.
Truth Handle
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Paul from SWISCO responded:
October 21, 2016
Thanks for posting. Start by looking at our 39-031 and 39-032. Look over our information and see how well this matches. I think these may be it, but see what you think.
A home owner from mass says:
October 21, 2016
Paul I would need to buy the operator and the arm? how do we determine which one it is? are there specific measurements I need to take?
A home owner from mass says:
October 21, 2016
is the difference between the 031 and 032 only the direction they turn?
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Tom from SWISCO responded:
October 26, 2016
The arm is part of the operator mechanism, you do not purchase them separately. The only thing separate is the handle and cover, but I see no reason why you can't reuse what you have now. The 39-031 and 39-032 are the same aside from what direction they face.
EntryGard Dual Arm Operator
EntryGard Dual Arm Operator
39-031
$29.70
EntryGard Dual Arm Operator
EntryGard Dual Arm Operator
39-032
$29.70
Truth Hardware Operator Cover
Truth Hardware Operator Cover
39-107
$3.30
Crank Handle, 11/32"
Crank Handle, 11/32"
39-114L
$4.42
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