I received this unit in early May 2016. I installed it on my Troy Built gas trimmer. I used it twice. It cut ok, but when I let go of the trigger, the motor would pulsate trying to slow down but the Orbitrim head would not slow at the same rate which caused the head to unscrew itself and fly off. Therefore, it was causing a real safety hazard!
I think this idea needs to be rethought. I called in for a refund. Back to the string method (a lot safer).
Bottom Line: No, I would not recommend this to a friend
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