The Outer Diameter Tube Cleaning Brush is designed to prepare copper tubing for sweating. The tool’s depth reflects the length of a proper solder joint and ensures your tubing is thoroughly cleaned. The octagonal shape provides a firm grip and allows the tool to sit snugly in the palm of your hand. Also useful for cleaning automotive battery posts.

• Cleans both 3/8” inner diameter and 1/2” outer diameter pipe.
• Octagonal head prevents rolling and provides sturdy grip.
• Internal depth reflects the size of a proper solder joint.