Stanley Proto J47045M 1/4-Inch Drive Socket 4.5 Mm, 6 Point Proto 6 Point Sockets are 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 The TorquePlus configuration employs a radius-corner design and shifting contact area The TorquePlus internal design minimizes fastener rounding, helps to extend fastener life