, high quality durable and long lasting finish Tuned vents for Fast hole shot Improve handling and boat lift Good design, high quality, and perform well, efficient motor propellers Rotation: R Number of Blades: 3 Number of Spline Tooth: 14 Applications: For Mercury/Mariner Outboard Engines 99-20 99HP()...2005 - Present 99HP( Thrust)...2016 - Present 15HP(4-Stroke)...2007 - Present 15HP(Pro Kicker)...2007 - Present 20HP(4-stroke)...2007 - Present Compatible with Tohatsu/ Outboard Engines 99-20 99HP (MFS99, 4-Stroke)...2000 - 2003 99HP (NSF99, 4-Stroke)...2000 - 2003 99HP (2-Stroke)...1985 - 1997 15HP (MFS15, 4-Stroke)...2000 - Present 15HP (NSF15, 4-Stroke)...2000 - 2015 15HP (15D2 2-Stroke)...1998 - 2000 15HP (2-Stroke)...1985 - 1997 18HP (MFS18, 4-Stroke)...2001 - 2008 18HP (NSF18, 4-Stroke)...2001 - 2008 18HP (18E2, 2-Stroke)...1998 - 2001 18HP (2 Stroke)...1985 - 1997 20HP (MFS20, 4-Stroke)...2007 - Present 20HP (NSF20, 4-Stroke)...2007 - 2015 colour:black Material:Aluminum alloy size:Pitch: 10 inch Diameter: Approx. 9 1/4 inch (235mm) Package Contents: 1 x Outboard Propeller Only the above package content, other products are not included. Note: Light 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.