Klein Tools Insulated Nut Driver, Cushion-Grip, 4" Hollow-Shaft, 5/8" Hex - 630-5/8-INS

5/8" Insulated Cushion-Grip, Hollow-Shaft Nut Drivers are individually tested to exceed standards. They feature cushion-grip handles for greater torque and comfort and the handle caps are color-coded for easy size identification. The strong hex-head drives nuts and socket screws and the insulated, full hollow-shaft shank permits turning nuts on long screws. The patented Tip-Ident quickly identifies nut driver size and the nut driver is made of custom US-made tool steel.