Proto Stanley J5018 3/8" Drive Deep Socket, 9/16", 12 Point

Proto 12 Point Sockets are ideal for use on stubborn or damaged fasteners and also on fasteners made from soft materials, The Torque Plus design is a high performance drive configuration which allows for quick and easy socket engagement to the fastener flats, The Torque Plus configuration employs a radius-corner design, shifting contact area and stress away from the fastener corners, The Torque Plus internal design minimizes fastener rounding, helps to extend fastener life, Made in USA.