Bore Brush 40 mm Diameter, 2pcs Stainless Steel Twisted Wire Cleaning Brush Round Cylinder Cleaner for Tubes, Ports, Bearings, Drill, Silver Tone

Specification: Material: Stainless Steel; Color: Silver Tone; Size: 165 x 40mm/6.5 x 1.6 inch (LxD); Package List: 2 x Brush Bore. The bore brush can penetrate narrow areas, such as internal diameters, crevices and threaded surfaces. Suitable for cleaning old paint, dirt and dust in steam radiators, auto parts, valve guides, water pumps, etc. Advantage: Made of stainless steel, sturdy and wear-resistant. The brush is dense and tidy, not easy to shed hair. Twisted wire design improves cleaning efficiency to remove dirt and rust. Instruction: The stainless steel bore brush can be directly installed in an electric drill or grinder, or mounted on a suitable handle for more efficient cleaning. NOTE: The stainless steel bore brush is only intended for reciprocating operations. The speed should not exceed 600 rpm and should not rotate counterclockwise.