Propeller for Bi Drive Z-Power Outdrive : 3 Blade

(1) 5018.1.RR propeller.  
See the red arrow in picture 2 for the part this replaces.

Includes: 
3 Blade nylon prop ( see picture for rotation)
No screws

Specs:
Glas filled nylon
Diameter: 42mm 
Shaft Size: 4mm

Requires drive dog: 10mm in diameter