The Irwin 2078602 is a 8 Metric Quick-Adjusting Wrench. The Irwin 2078602 has parallel jaws with smooth surfaces that allow you to grip securely and help prevent scratching. They can also keep jaws locked in place for leverage and repeated use. The Irwin 2078602 Wrench has precise scale markings that will allow you to adjust to nut and bolt diameters easily. It is the fastest, most versatile wrench available because it features a unique sliding lever for quick adjustments. Its easy to use, making it a favorite in anyones toolbox.