Review on 300-Pack Steel Wire Brush Set With Rotary Tool Accessories - Rocaris Wire Wheels, Pen Brushes Kit For Improved Cleaning And Polishing by Duane Rogers

I read previous reviews on this product and many stated that the rotary brushes are junk. I find these brushes ok but do come apart and throw the wire strands. I have purchased similar brushes from McMaster Carr; although theirs was considerably more expensive, they lasted about 5 times longer (wire strands were thrown as well but much less). So the bottom line is: you get more brushes here for the money but you go thru more to complete the job. The bigger negative is all the wire strands that are thrown!