description: 1. Designed for tightening/loosening the accessories under the basin or sink. 2. Chrome-plated steel handle and alloy steel jaws. Durable and practical. 3. The head can be rotated 180 degrees for maximum entry. Flexible and efficient. 4. Self-adjusting jaws are suitable for most nuts/pipe fittings and irregular shapes. 5. Can be used for copper or polyethylene pipe fittings.