Klein Tools 1/4 Inch 5/16 Inch 11/32 Inch 3/8 Inch 1/2 Inch 7/16 Inch 9/16 Inch Hollow Shaft 7-in-1

This Klein Screwdriver / Nut Driver is seven sizes in one tool. All sizes allow for easy, one-handed driving. The sizes are interchangeable ensuring you have the size you need when you need it. Color coded shaft ends make it easy to identify the size. Increase your productivity and lighten your load with this multi-nut driver. *This Klein Screwdriver / Nut Driver allows for one-handed driving, with seven sizes in one tool *Strong, Rare-Earth magnets (1/4-Inch, 5/16-Inch, 11/32-Inch, 3/8-Inch, 1/2-Inch) securely hold nuts and bolts *Spring coil (7/16-Inch, 9/16-Inch) holds nuts and bolts in place without the use of magnets *Hollow shafts (1/4-Inch, 5/16-Inch, 3/8-Inch, 7/16-Inch, 9/16-Inch) for driving nuts deep onto bolts or threaded rod *Heavy-duty handle and shaft exceed the torque performance of regular nut drivers *Wrench-assist on handle for added torque on tough jobsColor-coded bands for easy identification