Using this DeWalt open-end wrench is easy. Just pick the right size end for your fastener and fit it snugly. The 15-degree offset design helps you work in tight spots. When using, make sure the wrench is fully engaged with the fastener to avoid slipping. For maintenance, wipe it clean after each use to prevent dirt and debris buildup. Store it in a dry place to avoid rust. The full polish chrome finish not only looks good but also resists corrosion. With its DirectTorque technology, you can trust it to handle your fastening tasks without rounding the fasteners. And don't worry, it comes with a full lifetime warranty, so you're covered for any issues.