Features 1. Comprehensive Cleaning Kit: This kit includes a copper pipe cleaning brush and 1 interchangeable brush head, designed for efficient cleaning, polishing and rust removal from metal surfaces. Ideal for professional and D IY projects, ensuring thorough cleaning of your pipes. 2. Sturdy construction and long service life: This all-metal pipe cleaner kit is made of durable metal, with excellent performances and long service life, which can significantly improve work efficiency. Ideal for intensive pipeline and industrial tasks, it is a reliable alternative to traditional manual brushes 3. Innovative design, efficient: Each copper pipe cleaning brush is carefully crafted to withstand high torque and high temperature, with finely constructed steel bristles and a hexagonal handle for a secure connection. This thoughtful design ensures stability and convenience, greatly helping you complete your cleaning tasks. 4. Optimized size, easy to use: This cleaner is tailored to fit 3 or 4-inch outer diameter metal pipes, seamlessly compatible with power tools, and achieves excellent cleaning and deburring results. 5. Multifunctional tool for various uses: This metal pipe cleaner is an essential tool for cleaning and preparing copper pipes before welding, and is also perfect for automotive, manufacturing and machining tasks. Its efficiency makes it an indispensable tool in any toolbox, streamlining your workflow and saving time. Product Name: Copper Pipe Cleaning Brush Product Specifications: 15mm: 150g 7 x 4 x 4cm 22mm: 200g 11 x 4 x 4cm Product Material: Metal Package Include: 1x Pipe Cleaners