The long-awaited mirror-polished "American Ninja" 3-bladed propeller display piece is created with stunning custom cut and super sharp airplane propeller blades. McCauley manufactured the parts that were modernized by Plane Pieces Inc. The materials used consist of 3 authentic aircraft propeller blades with 3-bladed hub and a custom spinner. All the parts are made of aluminum that has been highly polished and painted. This ultimate modern art piece measures a total diameter of about 65". It weighs approximately 55 lbs. The display art comes with powder-coated custom spinner, snap rings, gloss black hub, and set screws so the blades can be adjusted and held in a fix-pitch position.