Help Fixing Several Window handels

A quick learner from New york says:
December 18, 2021
Hello I just bought a house and need to fix several windows Handels. Most of the windows are missing the handles used to open the window. The few handles I found fall out and seem to be stripped. Can you take a look at the photos and let me know what I may need.
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Tom from SWISCO responded:
December 22, 2021

Your operator appears to be a match for either our 39-253LB or 39-438B, depending on the design of the guide at the end of the arm. The video below will go into more detail as to what I mean.
Encore Dual Arm Operator, Sill Mount
Encore Dual Arm Operator, Sill Mount
39-253LB
$30.70
Encore Dual Arm Operator, Sill Mount, Low Profile
Encore Dual Arm Operator, Sill Mount, Low Profile
39-438B
$38.64
How to Orient a Dual-Arm Operator
How to Orient a Dual-Arm Operator
VIDEO
WATCH >
Comparing the 39-253LB & 39-438B Operators
Comparing the 39-253LB & 39-438B Operators
VIDEO
WATCH >
Anatomy of a casement window
Anatomy of a casement window
VIDEO
WATCH >
How to identify casement and awning operators
How to identify casement and awning operators
GUIDE
READ >
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