T-Crank Handle, 3/8" Spline for Pella

I will likely need both left and right versions I am fairly handy and watch a video so I know I would need to remove trim to change. Have several windows that will need replacement - some are double (side by side) some are single. They are also different sizes but style looks the same - would they ... (cont.)

Hello We'd like to replace these Pella casement window cranks with folding ones. These have always interfered with our blinds. Is this possible? The window is from early 1990s.

I need a replacement crank handle for an older Pella casement window. The original handle broke. I have attached photos of the original handle, spline hub, operator arms, and an identical working handle from another window. Please identify the correct replacement part.

I have a house full of Pella windows (17) with cranks. (So, I may need both left and right sides?). I bought the 1988 home from original builder-owner and he left spare Pella-brand window cranks. I have 5 Pella cranks, still in bags, and they are marked with "X429" and 7138 on the inside base surro ... (cont.)