XINTE Magnetic Propeller Balancer Prop Essential Carbon Fiber For Quadcopter FPV Fit 0-80g Fixed wing propeller, marine propeller, Car wheel hub, Turbine blade, etc(helicopter not available) Good quality and durable Weight:30g Beautiful outlook and modern design Fixed-wing propeller, helicopter rotor the maglev propeller balancer suitable for any size and weight, marine propeller, car wheels, turbine blades, flywheels, etc