This is a pair of Great Planes ElectriFly PowerFlow
11x4.5 Propellers.

Features

Constructed of plastic, Black in color
Blade ends are turned back to reduce drag and increase thrust by
improving the blade lift over drag curve

Includes

Two Great Planes ElectriFly PowerFlow 10x4.5 Propellers with
warning sheet

Specifications

Length: 11" (279mm)
Pitch: 4.5" (114mm)
Hole Diameter: 3/16" (5mm)

Requires

Installing on motor shaft

Comments

For electric flight ONLY, do not use with nitro powered aircraft.