Universal Sockets, 5/16 in Drive, 15/32 in, 1 3/4 in L, 12 Points

Features : Ideal for use on stubborn or damaged fasteners, and also on fasteners made from soft materials | The TorquePlus design is a high performance drive configuration which allows for quick and easy socket engagement to the fastener flats, not the corners | The TorquePlus configuration employs a radius-corner design, shifting contact area and stress away from the fastener corners and distributing contact stresses over a large area of the socket, minimizing slippage | The TorquePlus internal design minimizes fastener rounding, helps to extend fastener life, and allows the user to more easily turn worn, rounded or rusted fasteners