Proto J74106 19 Piece 6 Point 1/2" Drive Impact Socket Set

Includes: 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", 15/16", 1", 1-1/16", 1-1/8", 1-3/16", 1-1/4", and 1-5/16" sockets Proto 6 Point Impact Sockets are ideal for use on stubborn or damaged fasteners, and also on fasteners made from soft materials. Minimizes fastener rounding, helps to extend fastener life The TorquePlus design allows for quick and easy socket engagement to the fastener flats, not the corners Heat treated for the correct balance of strength and hardness. From the Manufacturer All Proto impact sockets incorporate the TorquePlus wrenching system. The TorquePlus design is a high performance drive configurationwhich allows for quick and easy socket engagement to the fastener flats, not the corners. The configuration employs a radius-corner design, shifting contact area and stresses over a large area of the socket, minimizing slippage. The internal design of the TorquePlus minimizes fastener rounding, helps to extend fastener life, and allows the user t