This antique brass propeller is a true gem for any collector or enthusiast of maritime memorabilia. Crafted with exceptional attention to detail, this piece showcases the rich history of naval technology. The propeller is 18 inches by 14 inches in size and is made of high-quality brass, ensuring its durability and longevity. The Michigan Aqua Master propeller is a perfect addition to any maritime collection, with its elegant design and intricate details. This piece is sure to spark conversations and add a touch of nostalgia to any space it is displayed. Whether you're a seasoned collector or a beginner, this antique brass propeller is a must-have for anyone who appreciates the beauty and significance of maritime history. bore size done with tape measure 1 1/8 by 1 5/16 with 5/16 key slot