Is there a right hand version of the 39-156?

A home owner from townhome says:
I see there is a right sided window crank but is there a left one also? I have one replacement but need 4 more. 2 rights and 2 lefts. The one I have has an "L" on it. Does this mean "left"? Because when I compare it to the ones on my window it is the same as the cranks on the windows opening on the right side from the inside.
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Mike from SWISCO responded:
Good Morning,

For this style crank operator see the 39-155 for the left handed version and 39-156 for the right handed version.

My recommendation is to match up your existing operator to the product pictures. You will receive the operator exactly how it is seen in the product picture. Sometimes different manufactures mark their operators differently from each other when it comes to the right and left handed sides (they will even switch their own operators over the years) so I would not go by the "L" mark on your operator.
A home owner from townhome says:
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