Torqueplus™ 11 Pc Deep Impact Socket Set, 1/2 in, 6 PointThe 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 design is a high performance drive configuration which allows for quick and easy socket engagement to the fastener flats, not the corners The TorquePlus internal design minimizes fastener rounding, helps to extend fastener life,