Stanley Proto J61909HS Nut Setter Set, 1/4-Inch Hex Shank, 3-Piece Proto TorquePlus design is a high performance drive configuration which allows for quick and easy engagement to the fastener flats, not the corners The TorquePlus configuration employs a radius-corner design, shifting contact area The TorquePlus internal design minimizes fastener rounding, helps to extend fastener life Magnets feature enhanced holding power to help improve fastener retention, helping to increase productivity Distinctive gold finish