Klein Tools PND91610 9/16-Inch Power Nut Driver, 10-Inch LengthThese hollow shaft magnetic nut drivers are designed for long bolts, studs or threaded rod jobs. The magnetic head holds nuts and bolts to aid in hard to reach installations. The wrench assist end is designed for high torque loosening found in many jobs. Impacted rated for the most aggressive power tools. 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.Mayhew Select 72012 3/16-Inch Line-Up PunchThe Mayhew Tools 72012 Line-Up Punch, 3/16-Inch, is used to align holes through which rivets, pins, or bolts will be inserted. Not for use when driving pins, rivets, or bolts. Made in the USA. Over all length: 10-inch, body size: 1/2-inch, body type: Hex, blade width: 3/16-inch, and weight: 0.44-pound. Comes with an unlimited lifetime warranty. Mayhew stands for quality, dependability, and confidence. When the caliber of the tools is just as important as the skills of the professionals employed, businesses trust Mayhew to get the job done. Since 1856, our punches, chisels, and pry bars have been the go-to tools for OEMs and professional mechanics throughout the country. And while our company has grown to meet the needs of the professional market, as well as those of the do-it-yourself automotive enthusiast, our focus has never changed - leveraging our strength to build your business.