Proto® 1/4" Drive Metric Universal Impact Sockets - 12 Point Features and benefits Specifications Features and benefits Ball and spring design which allows for a 30° working angle.Smooth 360° rotation.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. Specifications Drive Size [in] 1/4 Point Size 12 Finish Black Oxide Length Type Standard Unit of Measure Metric Print Warranty Share