The MAC Tools X9EPSW 3/8” Drive 9” Extension Ratcheting Wrench is a high-quality hand tool designed for automotive use. As a single item in the set, this ratcheting wrench features a square drive type for easy and efficient tightening and loosening of nuts and bolts. With the renowned MAC Tools brand and specific manufacturer part number X9EPSW, this extension ratcheting wrench is a reliable and durable addition to any toolkit.