Turning Point Express Mach4 - Right Hand - Stainless Steel Propeller - EX-1515-4 - 4-Blade - 15" x 15 Pitch [31501532] Brand_Fireboy-Xintex But remember that the impeller

But remember that the impeller should be replaced every year

True Motion

Redundant voltage input

Captive star type lock washers meet CE requirements for anti-rotation and eliminate handling of small

Turning Point Express Mach4 - Right Hand - Stainless Steel Propeller - EX-1515-4 - 4-Blade - 15" x 15 Pitch [31501532] Brand_Fireboy-Xintex But remember that the impellerExpress Mach4 Right Hand Stainless Steel Propeller EX 1515 4 4 Blade 15" x 15 Pitch The Prop that put the "four" in Perfourmance! Turning Point's Four Blade revolutionized the propeller market when it was introduced. No one had ever produced a propeller with two different blade shapes (they call it Dual Geometry) for 90 300+hp applications. This prop is uniquely engineered with two blade geometries: (diagram label 2)two blades utilize the Hustler high