Rely on Klein Tools to deliver all the performance, durability and precision to get the job done right Klein Tools is a company that makes products you can count on With the highest standards, Klein Tools takes pride in putting our name on every product we make Klein Tools 7-Piece Cushion-Grip Nut Driver Set contains the type of nut drivers professionals carry most often. Each nut driver features a full hollow shaft for work on stacked circuit boards or other long bolt applications. Klein's patented Cushion-Grip handle provides greater torque and comfort. Internal flanges provide solid, twist-resistant shaft anchor. 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. Cancer and reproductive harm - See www.P65Warnings.ca.gov for more information.Warranty does not cover misuse of product.