National Hardware N313-072 PrecisionCraft Medium Hex Key 7 Piece Set 5/64 To 1/4 Inch In Pouch

Product Overview: Chamfered tool tips eliminate burrs and help tools seat in screw head. Sharp corners transfer more torque to the screw and reduce stripping. Precision machined for ease of use and superior. Standard 5/64 - 1/4 Inch. Industrial quality fractional sizes. Hardened and tempered to assure maximum surface resistance. harp, clean hex corners and square-cut, burr-free key ends for full-depth precision fit and to prevent rounding out of socket.