The Vintage Lufkin #1066D Red End Modular Folding Joint Locks Ruler is a high-quality measuring tool from the renowned brand Lufkin. This ruler features a locking mechanism for accurate measurements and a bold red color for easy visibility. Made in the United States, this 5-foot ruler is perfect for various mechanics, carpenters, and craftsmen who require precise and reliable measuring tools for their projects. Its unique design and durability make it a valuable addition to any workshop or toolbox.