This is a 7x5 Airplane Propeller this 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 any rpm
"C2" design (see COMMENTS)

INCLUDES: One Carbon-Reinforced NYLON Propeller

SPECS: Length: 7" Pitch: 5"
Thickness at hub: 1/2" Hole diameter: 1/4"

REQUIRES: ALL props require balancing, this is VERY important, use TOPQ5700.
May need prop reamer, use GPMQ5005 (SAE) or FOXQ1520 (metric)