3/4" Drive 12-Point Metric 40 mm Shallow Impact Socket
SuperTorqueâ„¢ lobular openings for greater turning power without deforming the fastener. Designed for maximum engagement on 6 and 12 point fasteners. Suitable for use with pneumatic and electric impact wrenches. Specially heat treated for impact use to provide long life, safety, and durability. Drive end features pin retention hole and groove