Replacement Propeller Propeller Dia (In.) 16 in Bore Dia (In.) 1/2 in Bore Dia (mm) 12.7 mm Pitch 26.8 Degrees Rotation CW Hub Location Centralized Number of Blades 3 HP 1/4 hp RPM 1747 RPM Drive Type Direct Blade Material Aluminum For Use With 10D984D