Check the listing for details. Mercury antique outboard motor racing hydroplane test propeller A-B quicksilver. Condition: Used, Made in United States. Listed at 39.95 USD. This is a Hi Quality Mercury antique outboard racing test wheel. Fits Mercury A, B and C quicksilver gear cases. From the estate of an old time ABBA racer. We can't figure out if this is home made or a small production shop product. We will always combine orders to save you shipping costs. Look at the photos and email with questions. Thanks for looking.This is a Hi Quality Mercury antique outboard racing test wheel. Fits Mercury A, B and C quicksilver gear cases. From the estate of an old time ABBA racer. We can't figure out if this is home made or a small production shop product. We will always combine orders to save you shipping costs. Look at the photos and email with questions. Thanks for looking.