3/8" Handle for Pella

Hello,I recently purchased a house built in the 60s with wooden Pella crank windows. From what I can tell. Some are missing the crank mechanism as indicated in the picture and others have a broken lever or the piece that slides in the track to make the window open, on the window side.Would you have ... (cont.)

I dont see any numbers on the handles. If you have them, I would need to buy a few. Please let me know. Thanks Mark Avila

The crank appears to be stripped out in our Pella window. Photos and measurements below. The window is also labeled with the following "PELLA - 0798 - DCCCMRH1Z1 - 021A047ATAN - 521S - NFRC". The window swings left when it opens.

I would like to order four crank handles. The ID of the handle appears to be 3/8 x 3/4 deep

looking to replace some window cranks for Pella casement window. The building was built in the late 70's or early 80's. Also, the windows had screens which were retractable upward and blinds which hung between the glass. The blinds no longer exist. Are the creens replaceable?