Features: Multiple Size Preferencesecond: Available in 15mm, 22mm, and 28mm measurements, these electric cleansing brushes is developed to fit various pipe diameters, making they flexible for both household and industrial cleansing tasks. Efficient Electric Cleanssinging: Direct current electric tools, these brushes effectively remove dirt, oxidation, and oxides from the inner and outer exteriors of bronze conduits, saving time and effort in cleansing processes. Permanent Rustless Constructparticlemail: Produced from excellent rustless, these brushes offer excellent oxidation resistance and durability, ensuring permanent execution and consistent cleansing conclusions. Direct current Install and Usemail: Simple to attach to electric tools, these brushes require denial complex tools otherwise expertise, allowing anyone to quickly begin utilizing they for cleansing tasks. Wide Extent of Applicationsecond: Twelve hundred cleansing and polishing bronze, aluminum, and rustless conduits, these brushes is ideal for home repairs, car maintenance, and air conditioning channel cleansing, making they a essential for specialists and handmade enthusiasts. Specifications: Substancemail: Polyamide bristles | Direct current polystyrene Sizemail: 71x37.4mm / 71x45.5mm / 71x50mm Specificationsecond: 15mm / 22mm / 28mm Package Includes: Copper tube cleaning brush ×1 note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.