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8 Segments*Outer 20.5 * Inner 4.965 Carbon Commutator

8 Segments*Outer 20.5 * Inner 4.965 Carbon Commutator
Product Descripion:Material: TUY-Copper 0.03% or 0.08% sliver copper or customized.              Resin:WH-5515,WH-5515...

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