Trying to find a heavy-duty nut drivers? Look no more with the Klein 640-1/2 coated nut driver. It features a through-handle hollow shaft that allows easier nut driving as you can tighten the nuts in various locations, even on smaller places that are hard to reach. It also has a cushion-grip handle, allowing you to experience comfort and greater torque while doing the job. This nut driver is coated with a special plastic that is resistant to cutting, cracking, and chipping to ensure circuit protection. It is also plated with premium chrome to create a smooth feel as well as to resist corrosion. This is measured -inch in size. Klein Tools has always been dedicated to create high-quality tools along with the assurance of comfort and convenience. Klein Tools never fails to give you peace of mind. Get their tools now here at PlumbersStock!