Stanley Proto J72252 5 Piece 3/8 Drive Metric Hex Bit Socket Set Black

Product Description Product Description PROTO J72252 3/8 Drive 5 Piece Metric Hex Bit Impact Socket Set From the Manufacturer All Proto impact sockets incorporate the TorquePlus wrenching system . The TorquePlus design is ahigh drive configurationwhich allows for quick and easy socket engagement to the fastener flats not the corners . The configuration employs aradius-corner design shifting contact area and stresses over alarge area of the socket minimizing slippage . The internal design of the TorquePlus minimizes fastener rounding helps to extend fastener life and allows the user to more easily turn worn rounded or rusted fasteners . Proto impact sockets are made from special alloy steel and are heat treated for the correct balance of strength and hardness while the one-piece construction ensures their concentricity . Socket wall thickness is optimized to provide maximum strength and ample access to restricted fasteners . Sockets are manufactured to the most up to date specifications assuring concentric openings large clearance holes and tight nut end tolerance.