entry gard truth 20755

Thanks for posting! The casement operator in your photos reminds me of the 39-031 EntryGard Operator. To confirm that this is the right fit for your window, carefully review and compare the dimensions shown below. The opposite handed version of this operator is the 39-032.

Dimensions for 39-031

If you are also looking to replace the covers and handles, you can use the 39-107 Truth Hardware Operator Cover along with either the 39-114L non-folding or 39-205 folding crank handles. There is also the option of using the 39-107FK Truth Folding Handle and Cover Kit.

The compatible brackets are the 39-516 and 39-517 left and right handed clip-stud brackets.

Sure! I believe the measurement may actually be 3-13/16". Take a look at our 39-155 and 39-156 to see if these are a better replacement match for your existing operators.

Dimensions for 39-155

I'm happy to help! Please don't hesitate to reach out with any future hardware repair projects you might come across.

Have a great day!