Turning Point Express Mach3 -Left Hand - Stainless Steel Propeller - EX-1417-L - 3-Blade - 14.25" x 17 Pitch [31501722]Express Mach3 Left Hand Stainless Steel Propeller EX 1417 L 3 Blade 14. 25" x 17 Pitch Utilizing almost 40 years of race boat and high performance prop design expertise, our Express Mach3 series of props captures all the best techniques and technologies available to get the most out of your boat. Aggressive pitch angles, radical designs, sharp cup profiles. These three blade propellers excel at achieving maximum speed, while delivering Best in Class