The 84492 GearWrench 3/8” Drive 6 Point X-Core Pinless Universal Impact Metric Extension Socket 12mm has a X-Core™ pinless joint design for increased strength and durability with a 30° maximum operating flex angle and smooth 360° rotation for easier access. Compared to even the best pinned impacts, X-Core™ Pinless impact tools deliver far greater durability and superior access. The exclusive four-lug ball-and-socket design of these GearWrench universal-joints, sockets, and extensions provides the long-lasting strength and capability needed to take on the toughest automotive and industrial applications. When durability is key, the choice is clear. GearWrench X-Core™ pinless.

GearWrench® is a premier mechanics hand tool brand, offering products that are designed and manufactured to meet the tough requirements of Professional Automotive Technicians and Industrial users. Since the launch of its original patented five-degree ratcheting wrench in 1996, the GearWrench® brand has continuously led the industry with breakthroughs in wrenches, ratchets, sockets, and specialty tools.