Constructed from light weight aluminum this neck strap balancer adjust change the COG of your transmitter. A balanced transmitter will provide better control and greater comfort for extended periods of use.

JR: X3810 / 9X / 9XII / 10S / 10X / 12X / DSX7 / DSX9 / DSX12
Spectrum: DX7/ FF9
HITEC: AURORA-9