https://dcmclassics.com/modules/scpdfcatalog/export/dcmclassics2023catalogtest.pdf
Replacement 1 3/4'' Leaf Spring perches sold as a pair.
These easy-to-use universal windshield wiper switches feature OFF/PARK, LOW and HIGH and are for use with single motor wiper set-ups.
This is a 1/4 shaft clamp style wiper arm. This works good for the old style vacuum wiper motors with a strait 1/4'' shaft.