This BARCALO-BUFFALO open-end wrench is a high-quality tool that is perfect for any mechanic or DIY enthusiast. Made in the United States, this SAE double open end wrench is designed for use with a variety of different nuts and bolts, making it an incredibly versatile addition to any tool collection. With a size of 13/16" x 7/8", this wrench is perfect for use with a range of different nuts and bolts, and it is sure to get the job done quickly and efficiently.