Item Specifics: Pitch: 15" Diameter: 11" Number of Spline Tooth: 13 Part # 663-45943-01-EL Number of Blades: 3 Material: Stainless Steel Rotation: Right Hand Turn Color: Silver Applications: Propeller for Outboard Engines 3.50" Gearcase T25hp...2010-newer F30(4 stroke)...2001-2005 40hp(C40)...1984-newer 48hp...1995-2000 50hp(Not T50)...1984-newer F40(4 stroke)...1999-newer F50(4 stroke)...1995-newer 55hp...1976-1995 60hp...1976-1991 F60(4 stroke)...1999-newer Package Contents: 1*Boat Propeller Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +- 1-3cm.