APC 9 x4.5 MR Prop Std

9 inch multirotor propeller, standard (clockwise rotation)

4.5 inch pitch

This is the latest model from APC, developed specifically for multirotor use.
These props are more rigid than the APC slow fly, with a higher RPM capability.

Hub Diameter: 16.5mm
Hub Thickness: 8.4mm
Shaft Diameter: 6.35mm (1/4 inch)
Propeller Weight: 9 grams