40-60 HP Command Thrust (Bigfoot) Four Strokes75-125 HP Two and Four Stroke outboards4 BladeRight-Hand RotationAluminum10 through 13 pitch propellers are designed for pontoon boats to provide superior holding and lift10 through 19 pitches are availableEquipped with Flo-Torq II hubSpitfire - The world's first performance aluminum propeller. Do you want to take your boats performance to the next level? The Spitfire provides 16-25% faster acceleration, superior holding with no penalty in top speed vs. a comparable 3 blade aluminum propeller. If engine RPM is appropriate with 3-blade prop, replace with the same pitch Spitfire propeller.