• Model: 4.1*4.1E.
• Material: plastic.
• Fuel source: electric.
• The hubs may be precisely adapted to motor shaft diameters of 2mm， 2.3mm， 3mm and 3.175mm.
• Size: 4.1*4.1 inch.
• Thickness of hub: 7.3mm.
• Weight: 3.6g/0.13oz.
• One propeller and one locating ring set included in a set.
• 5 sets in total in each lot.

 
Package Details Weight: 11.77 g
Size: 10.5*1.2*1 cm
Package Includes 5 × Propeller Set