Cleans up nice...Well you are not alone in pondering this question.
Folding stainless steel 2 blade prop: for sale
For sale Gently used folding stainless steel 2 blade prop, fits 3/4″ shaft. Not sure of manufacturer. In excellent condition as seen from photos. Propeller width is 12 inches. Price: $ 350 CA…nortonfastback.com
Winning! I wondered if someone would pick up on the hint!From the hub shape, it looks like it goes on a saildrive ..