Protect yourself when working near an energized source. Clearly marked with the official 1000-Volt rating symbol, Klein insulated tools exceed IEC 60900 and ASTM F1505 standards for insulated tools. 2 layers of insulation provide protection against electric shock. Built to handle the tough jobs with ease. 7-Inch round shank and size 3 Phillips tip. 12-3/8-Inch long screwdriver has cushion grip handle for comfort. Screwdriver is ideal to work on 1000 V electrical applications. This sku replaces 603-6-INS. 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.