Friction slide adjusters hold shoulder straps in place so the user does not need to readjust for each use. Drop-forged circle D-ring has corrosion-resistant finish, wear-minimizing roller and is proof-loaded to meet OSHA regulations. Durable 1-3/4-Inch (44 mm) Type 13, or equivalent, nylon webbing harness construction. Tongue buckles with grommeted leg straps provide comfortable fit over a range of sizes. Identity and warning tags and/or labels are reminders of proper application and inspection procedures. The Klein name, model, date of manufacture and OPE-system application symbol(s) are permanently and clearly inscribed on these tags and labels. Certified and compliant with ANSI and CSA requirements. 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.