Description Type: Striking Wrench 12-Point Ring Size: 55 mm Manufacturer: Wedo Tools MPN #: CT3310-55 Applying very high torque to large fasteners without the risk of slipping off, since the wrench fully encircles the nut or bolt head Breaking loose severely rusted, corroded, or overtightened fasteners Work on heavy machinery, pipelines, mining equipment, and structural steel Preferred when safety is critical, as the enclosed head grips all flats of the fastener