For GSB 180-LI GSR 180-LI GSR140-LI GSB140-LI GSR18V-21 1607000CZ1. 2 Carbon Brushes. Copper wire is tight, not easy to fall off. Thick copper wire makes good conductivity. Material:,Copper. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
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