6-Point Heavy-Duty Striking Wrenches, 12 11/16 in, 2 9/16 in Opening

Features: Large striking surface | Efficient transmittal of force to fastener | Straight handle design prevents wrench from cocking when struck | Box opening remains on fastener when wrench is struck | Heavy box walls provide greater torque transmission | Short handle permits work in close quarters | For where extreme force is needed to loosen or set large fasteners