Crank casement window operation mechanism

A landlord from Elkhorn, Wi says:
In need of replacing the crank operation mechanism as shown in pics for 24" wide window. Also need additional crank handles for tenants that lose or break them.Thanks for the help.
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Emily from SWISCO responded:

Hi there!

This looks like the 39-253LB & 39-253RB, or the 39-438B & 39-439B operators. Look these over, along with the video below that will help you choose the appropriate replacement. 

If you need a handle and cover, see our 39-375 & 39-376 or 39-451 & 39-452, depending on the style you prefer.

If you have any questions just let us know! 

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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