Went to Autozone and bought Bosch Envision blades, they fit tightly into the J hook
plusthey have a hinged cover that secures them so they can't come off. I misted the windshield and tested them and they work beautifully. A bit pricey at $32 each and not re-fillable but as I store the rig indoors I hope to get 2-3 years out of them.
If you've have ever had a driver's side wiper come off at night in a driving rain storm in a narrow 1 lane construction zone in upstate New York with a tractor trailer riding your a** you will know the importance of a secure fit. Just sayin....