Klein Tools S10 5/16-Inch Nut Driver with 3-Inch Hollow Shaft and Comfordome Handle, Made in USA

Klein Tools' 5/16-Inch Nut Driver is backed by our lifetime guarantee of quality and reliability. Additionally, this nut driver meets or exceeds applicable ASME/ ANSI specifications. Klein's nut drivers are perfect for professionals looking for a lifetime of dependability in a 100-Percent US sourced and manufactured product. For more than 160 years, Klein Tools has manufactured premium-quality, professional-grade hand tools that deliver the performance, durability and precision needed to get the job done right. Our family of engineers, workers and craftsman continue to put six generations of expertise into every tool we create by using only the highest quality materials, superior workmanship, and keeping manufacturing as close to home as we can. Klein isn't just the name of our company, it's also our family name. And since we're an American company that's family-owned and family-run, you know you can count on us to be here tomorrow. Klein Tools doesn't just make great products, we make great products that stand up to the demands of the professionals who use them every day ... Since 1857.

Vaco. nut drivers meet or exceed current ANSI and MIL specifications. Patented shaft construction withstands high torque. Shafts on Vaco. drivers are completely hollow, from the socket to the handle, to accommodate the longest stud. Sockets and shafts are specially heat treated for extra hardness. Exterior surfaces are finished in bright nickel-chrome for durability and corrosion resistance. Smooth Comfordome(r) handles fit the palm of the hand perfectly. Exclusive full-size top with no unfinished seams, no sharp edges to cause fatigue. Handles are break resistant, impervious to most acids and alkalies, and are full-fluted for better grip and driving torque. Edges are chamfered for comfort. Handles are color-coded for easy identification. 5/16in. Overall length 6-5/8in.