This is an APC 24x12E Wide Blade Electric Propeller.
FEATURES: Composite construction, Gray in color.
Thin propeller designed ONLY for Electric use
INCLUDES: One APC 22x12E Electric propeller with one each .128" (3.2mm), .158"
(4mm), .197" (5mm) .237" (6mm) and .313" (8mm) locating rings for a
more precise fit
SPECS: Hole diameter: 5/16"
Propeller diameter: 22"
Propeller pitch 12
Hub Thickness: 1/2"
COMMENTS: Do not use with nitro or gasoline powered aircraft.