Propeller, 12 in Propeller Dia. (In.), 1458/963 CFM @ 0.000-In. SP, Aluminum Blade Material/ DIAMETER: 12.000 INCHES NOMINAL BORE DIAMETER: 0.500 INCHES NOMINAL BLADE QUANTITY: 3 ATTACHMENT METHOD: SETSCREW ROTATION DIRECTION FOR WHICH DESIGNED: CLOCKWISE HUB LOCATION: CENTER HUB STYLE: 70 NO OFFSET HUB MATERIAL: ALUMINUM OVERALL STYLE DESIGNATOR: 1 ROUNDED TIP SUPPLEMENTARY FEATURES: COUNTERCLOCKWISE ROTATION VIEWING DRIVE SIDE,RATED FOR 1430 CFM FREE AIR AT 1725 RPM