This is a 11x4 Airplane Propeller. It is a "tractor" (not a "pusher") prop.
FEATURES: Computer-optimized design gives these props a thinner profile and
more "bite" with less noise.
Lightweight molded nylon construction reduces rotating mass for
higher output and longer life.
Reinforcing carbon fibers help maintain true, constant pitch at
"C2" design (see COMMENTS).
INCLUDES: One Carbon-Reinforced NYLON Propeller
REQUIRES: ALL props require balancing, this is VERY important
SPECS: Length: 11" Pitch: 4
Thickness at hub: 1/2" Hole diameter: 1/4"
COMMENTS: The "C2" is the production run number for this prop.