This is an APC 17x8 Electric Propeller.
FEATURES: Composite propeller construction
Thin propeller ONLY designed for Electric use
INCLUDES: One APC 17x8 Electric propeller
SPECS: Center hole diameter: 1/4"
Propeller diameter: 17"
Propeller pitch 8
COMMENTS: The propeller comes with five locating rings:
the locating ring combines with the hub to create a precision fit.