Made Composite Plastic Material, long lasting finish. Tuned Vents for Fast Hole Shot. Improve Handling and Boat Lift. A good choice for 9.9-15HP Boat Motor 63V-45952-10-EL. Good design, high quality, and perform well, motor propellers. Propeller Size: 7.4 Diameter x 5.7 Pitch Material: Aluminum Alloy Shaft Diameter/Inner Bore Diameter: 12mm Number of Blade: 3 Diameter:9 1/4 inch Splines:10 Color: White Propeller model:9 1/4 X 10-J1 Fitment: For Mercury 3.3hp outboard motor; For / Evinrude 3.3hp outboard motor. For / 2-stroke 2.5hp and 3.5hp outboard motor. it replace Part No. : 30964-1060M 309-64106-0. For 9.9hp 15hp outboard motors models 2004 15MSHC,2004 9.9MSHC,2004 F15ELHC,2004 F15ESHC,2004 F15MLHC,2004 F15MSHC,2004 F15PLHC,2004 F15PLRC,2005 15FMHS,2005 15MSHD,2005 9.9FMHS,2005 9.9MSHD,2005 F15ELHD,2005 F15ESHD,2005 F15MLHD,2005 F15MSHD,2005 F15PLHD,2005 F15PLRD,2005 F9.9ELR2D,2005 F9.9MLH2D,2005 F9.9MSH2D,2006 and Later F15EL,H 2006 and Later F15ELHK,2006 and Later F15ESH,2006