Bella Vista Classifieds
Although there are no part numbers on these, I believe they are one year only 1967 wiper knobs. I do have one with the washer inset as per the main picture. Rubber knobs with a threaded base, all in good to excellent condition. Some have minor marks from being stored for many years in boxes with other parts. I can only assume, because they are helphos they have something to do with a windshield...