Over time, prop vibration can do a lot of damage to a model plane. It can
harm radio components by weakening solder joints...damage the engine by
increasing wear...even lead to a crash by forming bubbles in the fuel that cause
engine cut out.
Top Flite\'s inexpensive, revolutionary magnetic balancer cuts friction to
barely 1/8 that of traditional wheel-type balancers. That makes it the most
accurate balancer available and an essential item for every modeler\'s workbench
and field box.