This PROTO 1/2" Drive 30 Piece Socket Set is designed to tackle even the most stubborn or damaged fasteners with ease. Its TorquePlus™ drive configuration allows for quick and easy socket engagement with the fastener flats, preventing damage to the corners. Plus, TorquePlus™ minimizes fastener rounding, extends fastener life and makes it easier to turn worn or rusted fasteners. Get the job done right with this reliable set.