Engineered for durability, these cleaning brushes include our exclusive 'form-through' shank that eliminates coupling pull-out. Combined with heavy-duty 10-32 thread fittings and premium bronze, stainless steel or nylon bristles, they're built to withstand aggressive cleaning with Dewey large-bore coated rods.

Phosphor bronze bristles, known for their superior conductivity and corrosion resistance, are engineered to optimize performance in demanding electrical and mechanical applications
Precision-engineered steel, meticulously looped and expertly wound to form a robust shank structure
10-32 unified thread standard (UTS) male thread

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These items are controlled by the U.S. Government and authorized for export only to the country of ultimate destination for use by the ultimate consignee or end-user(s) herein identified. They may not be resold, transferred, or otherwise disposed of, to any other country or to any person other than the authorized ultimate consignee or end-user(s), either in their original form or after being incorporated into other items, without first obtaining approval from the U.S. government or as otherwise authorized by U.S. law and regulations.

WARNING: Handling firearms or firearms parts can expose you to lead and other petroleum products known to the State of California to cause cancer, birth defects, or other reproductive harm. Wash hands thoroughly after handling. For more information go to www.p65warnings.ca.gov (CA Health and Safety Code Section 25249.6).