1966 stock wiper blade search. No luck finding quality.

[72freak]

I have read a post or 10 about the same issue. I am having a bear of a time finding quality blades that will actually not come off the stock or aftermarket 66 arms. They all seem to have enough slop to twist right off. I do not have any stock blade housings that are in good enough shape to just replace the element and I have tried several from different suppliers and local parts houses with no real success. Every set I get has too much slop. FYI, for those not familiar with the year swaps they are different (smaller) from 67-72. Below is a picture of the last set I got, originally from The Truck Shop and were sold through Tim Tygarts. They were so sloppy they would just fall off. I was told by them that their R&D team saw nothing wrong with them.!?! Also pictured is an old aftermarket blade and arm I do have that will work but I need a match for it.

Have any of you 60-66 guys had any luck finding a replacement?