Dear，Pls leave a massage to tell us what design (Color) do you want.thank you.

100% Brand new and high quality Fixed center axis maglev type means test， to ensure a balance of zero resistanceCF propeller balancer (suspension) is applicable to any size and weight of less than 40 grams of fixed-wing propeller helicopter， 4-axis aircraft rotor， marine propellers， vehicle wheels， turbine blades and the flywheelMaterial: Alloy  Size: 8*5*7.5cm Color: Gold