Colour:Black Manufacturer Part Number:48-855856A5 Engines Application: 25-70HP 3-1/4Inch Gearcase 25hp Bigfoot(4 stroke)...1999-2005 30hp Bigfoot(4 stroke)...2010-newer 30hp(2&4 stroke)...1994-2005 30hp(SeaPro/Marathon)...1994-newer 35hp...1984-1989 402&500 Models...1974-1984 40hp(2&4 stroke/not bigfoot)...1977-newer 40hp(Sea Pro/Marathon)...1977-newer 45hp...1986-1989 48hp(Mariner)...all years 50hp(2&4 stroke/not bigfoot)...1977-newer 55hp(Mercury/Sea Pro/Marathon)...1995-newer 60hp(4 stroke)(not bigfoot or Sea Pro/Marathon)...1978-newer 60hp(2 stroke)...1978-newer 70hp(Model 700)...1983 Force40/50hp...1995-1998 70hp...1991-1995 75hp...1996-1998 13 Spline Tooth Material:aluminum alloy Package Contents: 1 * 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.