This is an APC 13x6.5E Thin Electric Propeller
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 fibers help maintain true, constant pitch at any RPM
- Thin electric propellers work well with Electric powered Park Flyer-type aircraft
Specifications:Length: 13"Pitch: 6.5