Mac Tools 20 Inch Socket Extension 3/8 Drive X20E Chrome USA Made Mac Tools 3/8" drive socket extension bar features a polished chrome finish for durability and easy cleanup. This professional-grade tool provides extended reach for automotive and mechanical work, crafted with the high-quality standards expected of USA-made Mac Tools equipment. The knurled or smooth shaft design ensures a reliable grip during use, making it a staple for any professional toolbox. Measurements: • Length: 20" • Drive Size: 3/8" #Utility