Check the listing for details. Mercury antique outboard motor bronze propeller MK20 MK25 Quicksilver#48-20325A1. Condition: Used, Made in United States. Listed at 39.95 USD. Here is just the right propeller for your Mercury antique outboard motor. Fits MK15, MK20, and MK25. Possible others. A low pitch hub makes this prop easy to turn even with a weak engine. This will polish up to an eye popping shine with some time and effort. Look at the photos and email with questions. I will always combine shipping to save you money. Thanks for looking.Here is just the right propeller for your Mercury antique outboard motor. Fits MK15, MK20, and MK25. Possible others. A low pitch hub makes this prop easy to turn even with a weak engine. This will polish up to an eye popping shine with some time and effort. Look at the photos and email with questions. I will always combine shipping to save you money. Thanks for looking.