Tags: counter  rotating  propeller,  CR  propeller,  HiProp,  Hi-Prop 

Features:

This is the HiProp counter rotating (CR) propeller.

Specifications:

HiPROP 12x4 inch Beechwood Propeller  for Electric Motor - Counter Rotating

Weight: 17g (approx.)
Hub Thickness: 9 mm
Hole diameter: 6 mm

* This is counter rotating propeller.

Includes/Requires:

Includes:
1 x CR propeller