The Klein 610-5/16 is a stubby nut driver that allows for work in close quarters. With its full hollow shaft, working on stacked circuits and long bolt applications are made easier. It also features its cushion-grip handle, that allows greater torque and provides more comfort. Internal flanges are also included inside to provide a solid, twist-resistant blade anchor. This nut driver has a size of 5/16-inch with a chrome plated shank that gives a smooth feel. This is corrosion-resistant and has meet and exceed the ASME/ANSI specifications. Whatever tools you need, you can always find high-quality and durable products with Klein. In partnership with PlumbersStock, you can now get their tools at an affordable price. Search the one that you need here at PlumbersStock!