The EPP1045 counter rotating propellers set. Come with 3mm and 4mm insertsThis is an authentic MPI propeller manufactured by Maxx Products.
* Rotor Blade Length: 10 in (254 mm)
* Pitch: 4.5 in/rev
* Type: Counter Rotating Matched Set
* Material: 1 Piece Composite
* Shaft Diameter: 5 mm (0.197 in)
* Use in all Quadrocopter