Product Description Since 1869, Crescent Lufkina Has Stood At The Forefront Of Measuring Tools And Equipment, With Industry-Leading Quality And Innovation We Enable The Consumer Or Professional User With Reliable, Precise, Durable Lines Of Products, Including Our Wooden Measuring Rules Since Patenting The Lufkin Folding Rule In 1919, Weve Been Manufacturing Top-Quality Tools, Like This Rule Which Features Brass Joints, Clear Graduation Markings On Both Sides And Edges, And Two Extending Slide Rules Amazoncom The Lufkin Red-End 6-Inch Folding Wood Rule Features Bold Red And Black Markings With A Sharp Contrast For Easy Reading The Wood Rule Features A Graduated Slide That Can Extend Up To 6-Feet Graduated To 116Ths Of An Inch, The Rule Is Marked On Both Sides And Both Edges For Added Convenience, And Comes With A Clear, Abrasive-Resistant Coating That Protects The Gradation Markings The Rule Is Backed By A 1-Year Limited Warranty From The Manufacturer Lufkin Red-End Wood Rule Is The First Choice Of Carpenters And Other Professional Craftsman Rule Has Bold Red And Black Markings With A Sharp Contrast For Easy Reading