Note:R=CW(Clockwise)

Propeller Diameter: 9inch(9x7.5)/8inch(8x8)(8x6)/7inch(7x10)(7x7)     
Pitch : 10(7x10)/8(8x8)/7.5(9x7.5)/7(7x7)/6(8x6)                    
Blades-2
Material : Nylon Composite     
Weight : 12.2g(9x7.5)/11g(8x8)/10.3g(8x6)/8.76g(7x10)/7.36g(7x7)    
Hub Diameter : 14.8mm(9x7.5)(8x6)(8x8)/12.7mm(7x10)(7x7)          
Hub Thickness: 9mm(9x7.5)(8x6)(8x8)/7.5mm(7x10)(7x7)            
Shaft :6
Adaptor Rings : 3MM,3.17MM,4MM,5MM,6MM,8MM

Includes
2 x Thin Electric Pusher Prop CW

or 2 x Thin Electric Pusher Prop CCW