T & E Tools 1/2" x 20.1/2"(Long) Drive Ratchet Power Wrench Designed for removing extra tight wheel lug nuts and other areas where an impact wrench cannot reach 1/2" Female square drive. 1/2" Drive 2"(50mm) long male adaptor Maximum Torque: 465ft/lb.(630mm) Torque Multiplication Ratio: 4 to 1 Length: 20.1/2"(520mm)