Complete Professional Kit: This set includes tools for cleaning both the outer and inner wall of copper pipes. Each size (1/2Inch, 3/4Inch, 1Inch) comes with a stainless steel brush, ensuring thorough preparation for welding and sealing by removing oxidation and debris. Construction: Crafted from good-quality stainless steel, our pipe cleaner tools resist rust and can handle high torque and temperatures. Enhanced with side rivets, the internal brushes are secured tightly for efficient, long-lasting use. Versatile Sizes and Functions: Available in 1/2Inch, 3/4Inch, and 1Inch sizes, this kit is essential for removing paint and stains from copper pipes. It's perfect for preparing pipes for waterproof welding, ensuring smooth surfaces free from imperfections. Efficient Replaceable Heads: Each cleaning tool features a replaceable brush head, allowing for quick changes when worn out. This feature minimizes waste and expense, making it ideal for frequent use in anti-rust treatments. Wide-Ranging Applications: Designed for versatility, this cleaning set can be used manually or with an electric drill. It's suitable for HVAC technicians, auto mechanics, workshops, and DIY enthusiasts for pipe cleaning, maintenance, welding, and more. Color:Silver Material:Stainless Steel Package Contents: 3 x outer tube cleaner 3 x inner tube wall brush 3 x replaceable brush Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.