Replacement Propeller, Propeller Dia. (In. ) 10 in, Bore Dia. (In. ) 7/16 in, Bore Dia. (mm) 10 mm, Rotation CW, Hub Location Rear, Number of Blades 4, HP 1/2 hp, RPM 1, 550 RPM, Drive Type Direct, Blade Material AL+PA, For Use With 1BLH6C. This item has been restricted from sale in the following state (s): []