Features:- Suitable for AIR 3S/AIR 3/MAVIC 3 PRO/MAVIC 3 CLASSIC/ MAVIC 3.- Aeronautic Aluminum Alloy & CNC Processed. Each cap weighs about 1.5g, hardly affects flying endurance.- Aluminum alloy covers have good thermal conductivity and will not affect heat dissipation of motor.- Protect motors from dust, moisture and scratches during transportation.Specifications: