Deal Klein Tools 654516 Color-Coded Hollow-Shaft Heavy-Duty Nut Driver, 5/16-Inch

Klein’s Color-Coded Hollow-Shaft Heavy-Duty Nut Driver features a fully pass through driver for driving nuts on threaded rod and prevents bottoming out. Cold forged steel wrench assist provides greater torque, especially helpful for breaking stubborn nuts and bolts free. The handle is color-coded and dome-stamped to easily identify the common 5/16-Inch hex size needed for the job.