These are not mine and I know nothing about them, just thought I would post this up in case someone needed them

http://detroit.craigslist.org/okl/boa/4328932722.html

Not my ad or know anything about it, but speedmaster props are either 19 or 26 spline. Not sure if the guy is just off by saying 17 or what the story is. If someone is looking you will have to verify. I know my 3A are 26 spline.