I have several SS props for sale on craigslist. Please see the links below.
Yamaha 17M
https://charleston.craigslist.org/bpo/d/charleston-yamaha-17-propeller/7240054357.html
Mercury Vengeance
https://charleston.craigslist.org/bpo/d/charleston-mercury-vengeance-propeller/7240054290.html
Mercury Mirage Plus
https://charleston.craigslist.org/bpo/d/charleston-mercury-mirage-plus-propeller/7240054019.html