Product DescriptionThe Pro-Shot Tornado Bore Brush is engineered to tackle heavy fouling in .40 caliber and 10mm pistol barrels. Its brass spiral-wound loop design-often called the "tornado" style-scrubs effectively while protecting rifling from scratches. Compatible with #8-32 threaded cleaning rods, this durable brush is proudly made in the USA.Product Highlights Brass spiral-wound loop design cleans aggressively without damaging rifling Sized for .40 caliber and 10mm pistol bores #8-32 thread for easy attachment to compatible cleaning rods Durable construction from a trusted firearm-care brand Proudly made in the USA Specs Caliber: .40 caliber / 10mm Gun Type: Pistol Thread Pattern: #8-32 Design: Brass spiral-wound loop (tornado) Country of Manufacture: United States UPC: 709779101078 Manufacturer Part Number: 4010PTO Brand Name: Pro-Shot Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&&';;s manufacturer.