The item arrived quickly and I was so glad I found it at a great price. They fit my Shark perfectly. After cleaning, both brushes broke off leaving only a plastic stick at the joint. It took me forever to try to figure it out without destroying the robot. I thought maybe they broke because the bristles are longer than the brushes that come with the robot. So I cut the stubble. Well today my robot is on its first run and they broke again. I really recommend that you stay away from them and only buy from Shark.
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