These nut drivers are perfect for mounting cable tray. Driver shaft is hollow so you can tighten the nuts as far up the threaded rod as you want.
- Through-handle, full-hollow shaft for torquing hex nuts onto threaded rod of any length
- 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'', 5/16'', 3/8'' and 7/16'' hex sizes