Milwaukee SHOCKWAVE™ Impact Duty™ 3/8" Drive 10" Socket Extension provides exceptional access to tight and hard-to-reach spaces while delivering extreme impact durability for high torque applications. Designed with user convenience in mind, this socket extension features a dual-hole design and a ring groove, making socket attachment and removal quick and effortless. The long-lasting stamped size markings ensure easy and fast socket identification, enhancing efficiency on the job. Model Number: 49-66-6705