This vintage Columbian propeller features solid brass construction with three blades measuring 11 inches total circumference length. It is an ideal for collecting and displaying. The manufacturer part number is D12 P14 R. Whether you are a collector or a boating enthusiast, this propeller is sure to impress. It has a few fairly light scrape/grind marks as you can see in pictures. Don't miss out on the opportunity to own a piece of maritime history. Great to have your interest in this propeller! Often reuse shipping supplies.