Looking to sell or trade these two props. 1. Used Aluminum Michigan Wheel 17 pitch 15 diameter prop used on a 1996 150hp 2 stroke Mercury/Mariner. Excellent condition light paint scuffing on edge of prop. 2. Used SS Michigan Wheel Ballistic 21 pitch 14-3/8 diameter model #345134 also used on a 1996 150hp 2 stroke Mercury/Mariner. Good condition. I'm looking for a 3 blade 19x14-3/8 to 15 or a 4 blade 20x14.