Here is an absolutely indispensable tool for ALL power flyers, I.C. and electric. Achieve a perfect balance to your prop in minutes with this superb high quality low friction balancing unit. When your prop is correctly balanced, you will see, feel, and hear the difference. Motors run smoother, last longer, and airframe fatigue is drastically reduced from reduced vibration. Smooth running props are also much quieter. This tool is also an excellent wheel balancer.

You only invest in a tool like this once, which properly looked after will last a lifetime - so buy the best!

How often do you break a prop on the field then when you come to fit a spare find the hole needs re-boring? Carry one of these in your flight box and problem solved!

An indispensable tool both in the workshop and on the field for reaming prop holes to fit your motor shaft, with lots of other uses too!
A must have.