Product Description Klein Tools Wood Folding Rules are constructed of strong, 6-foot (1.83 m) long hardwood with a clear-abrasion-resistant coating for added protection on the jobsite. The black measurement markings stand out against the yellow background for easier reading. There are black markings on yellow, with red stud center markings every 16 inches (406.4 mm). 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. From the Manufacturer Since 1857, the company operated by Mathias Klein and his descendants to the fifth generation, has grown and developed along with the telecommunications and electrical industries where Klein pliers first found major usages. Today, Klein Tools, Inc. represents much more than Klein pliers. The company's product line has broadened to include virtually every major type of hand tool used in construction, electronics, mining, and general industry in addition to the electrical and telecommunications fields. Klein offers a lifetime warranty on material defects and workmanship for the normal life of the product. The Klein 900-6 Wood Folding Rules with inside reading has professional extra-quality features that have made the Klein name famous for hand tools. Designed for carpentry and wood-working, this ruler folds down to 8 inches with riveted lock joints that are made for long wear and maintained accuracy. This strong, 6-foot (183 cm) long hardwood ruler with clear abrasion-resistant coating has engraved measurements on both sides and both edges that are graduated to 1/16-inch. This ruler has black markings on yellow, with red stud center markings every 16 inches. The Klein 900-6 Wood Folding Rules with inside reading is sold one item per package.