The Snap-On Tools RXH1618S SAE 1/2" - 9/16" 6 point flare nut / line wrench is a high-quality hand tool designed for automotive use. Made by the reputable brand Snap-on in the United States, this single item wrench features a 6 point drive type for easy and efficient tightening and loosening of nuts and lines. With a precise size range of 1/2" - 9/16", this wrench is perfect for a variety of automotive maintenance and repair tasks.