Klein Tools 635-6 Tool Set, Heavy Duty Magnetic Nut Drivers SAE Sizes 1/4, 5/16, 3/8, 7/16, 1/2, and 9/16-Inch Hex, 6-Inch, 6-Piece

Nut Drivers with through-handle, full-hollow shaft for torquing hex nuts onto threaded rod of any length, Driver handles with color coding for easy identification of different sizes, Wrench assist for additional torque, Rare-Earth magnetic tip holds nut in place while fastening, Heavy duty handles and shafts exceed the torque performance of regular nut drivers, Includes 1/4-Inch, 5/16-Inch, 3/8-Inch, 7/16-Inch, 1/2-Inch and 9/16-Inch hex sizes