Features: * Brand new and high quality * Made of high-quality materials, sturdy and practical * Carbon fiber brush/acid brush to clean welds. You can use these brushes to remove temper color during welding of stainless steel V2A/V4A/AISI 206/AISI 304/AISI 316 or similar materials that have been quenched and tempered. * These brushes are produced for electrolytic pickling and are used with mordants. You harness their power. It doesn't matter whether you are using AC or DC power with our brushes. * These brushes are used for cleaning/pickling welds in for WIG, MIG, MAG, or aluminum welding processes. With the fluids available, you can also use them for passivation and marking. * For longer brackets you should use them in tubing (PTFE) and keep the working end as short as possible. These tubes are temperature and resistant up to 160°C. * Brushes are made of materials also used in electrical engineering. The brush's protective cover is temperature-resistant up to 160°C and resistant. Specification: Part name: cleaning brush Material: copper, carbon fiber Color: as shown in the picture Size: as shown in the picture Specifications: M6, M8, M10 (optional) Usage: for WIG, MIG, MAG, quantity: 1 Package Contents: 1 x cleaning brush Note: 1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2.Please allow slight manual measurement deviation for the data.