Manufacturer Description

This is a 5.5x4.5 Speed 400 Electric Propeller
from Advanced Precision Composites.
For use on Electric powered aircraft only, not for glow powered engines.

FEATURES:
Constructed of Gray composite material
For Speed 400 motor applications
Two adapter rings that adapt to different motor shafts

INCLUDES:
5.5x4.5 Speed 400 Electric Propeller, two adapter rings and
    instruction sheet

REQUIRES:
Assembly onto motor shaft or gear drive unit in Electric plane

SPECS:
Diameter: 5.5"
Pitch: 4.5
Hub inner diameter: 0.24" (6mm) where rings are installed
Inner Diameter of Rings: 0.188" (4.8mm) and 0.236" (6mm)

BOX DIMENSIONS: 2.25" W. X .50" H. X 7.50" L.
BOX WEIGHT: .02 LBS.