If your wiper motor shank simply has a small hole drilled crosswise through it then get the Model A Wiper arm "clip type" Max's has them #28-2186-1-1 . they are black or chrome...They also have the 8 1/4" wiper blades as well.
Where Are You From? Leavenworth, WA / Yuma, AZ
Do You own a car built by Durant? '25 Flint H-40 2door / '25 B-40 Touring / '29 D-40 Coupe / '23 A-22 Touring