Gemfan 1211-4 is a lightweight 4 blade prop by 31mm diameter. When matching with motor of 0702, it can bring better fly feeling with smaller MOI, stronger force, higher efficiency.Type GEMFAN 1211-4 Material PC Pitch 1.1in Colour clear black,hot pink,sapphire blue,clear gray Prop Diameter 31mm Center Thickness 3.2mm Center Hole Inner diameter 0.8mm/1mm Max Prop Width 7.3mm Weight 0.21g Recommended Motor 0702 29000kv Takeoff weight 36g
