The Minn Kota MKP-2 Power Prop delivers extra power that is needed to push through the thick stuff with the power Prop and is ready to churn up the water. It features a special clear finish that makes them virtually invisible under water. It fits 3-1/4" (MKP-2) and 3-5/8" (MKP-25) diameters. Fits 3 1/4" & 3 5/8" Diameters Delivers Extra Power to Push Through Heavy Vegetation Includes 1 Prop