Replacement Propeller Propeller Dia (In.) 24 in Bore Dia (In.) 1/2 in Bore Dia (mm) 12.7 mm Pitch 22.8 Degrees Rotation CW Hub Location Centralized Number of Blades 6 HP 1/2 hp RPM 1134 RPM Drive Type Direct Blade Material Aluminum For Use With 10D970D