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    Shark 13981 Knotted Wire Cup Brush 4.5? × 5?8?

    Part #: SRK-13981

    A durable, high-aggression knotted wire cup brush, the Shark 13981 (4.5? diameter, 5?8?-11 arbor) delivers excellent material removal, weld cleaning, rust and scale stripping, and surface prep on steel and ferrous substrates. Its tightly knotted wire configuration minimizes wire scatter while maximizing brushing force. Ideal for weld cleanup in fabrication, maintenance, or heavy shop use.