Manufacturer Description

This is a 13x4E Electric ONLY Composite Propeller
from Advanced Precision Composites.

FEATURES:
Gray composite one-piece construction
Five adapter rings that adapt to different motor shafts

INCLUDES:
One composite propeller
Five composite adapter rings for motor shaft diameters of 0.128"
    (3.2mm), 0.158" (4mm), 0.197" (5mm), 0.237" (6mm), 0.313" (7.9mm)

REQUIRES:
ALL props require balancing, this is VERY important, use TOPQ5700.
May need prop reamer, use GPMQ5006 (SAE) or GPMQ5007 (Metric)

SPECS:
Diameter: 13"
Pitch: 4
Hub inner diameter: 0.25" (6.3mm)

COMMENTS:
For use with Electric motors only. Do not use with nitro or gasoline
    powered engines.

BOX DIMENSIONS: 2.25" W. X .63" H. X 13.50" L.
BOX WEIGHT: .08 LBS.