The 7-in-1 Ratcheting Impact-Rated Stubby Screwdriver / Nut Driver is part of Klein's KNECT system. KNECT is a cross compatible impact-rated driver and ratchet system that delivers a seamless back and forth transition between hand and power tools. This versatile set houses popular tips and nut driver sizes. This stubby tool is small to allow easy access to tight work spaces and was designed with a 1/4-Inch deep bit holding feature. 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.