Fangrui Product Details 1. Precise Positioning: This 3pcs 3inch 4inch 6inch Right-angle Positioning Ruler Is Designed To Accurately Locate And Mark 90-degree Angles For Carpentry Projects. With Its L-type Fixed Tool Locator, It Ensures Precise Measurements And Helps You Achieve Professional Results. 2. Versatile Tool: The 90 Degree Angle Ruler Serves As A Versatile Auxiliary Tool For Carpenters And Diy Enthusiasts. It Can Be Used For Various Tasks Such As Marking, Measuring, And Aligning Materials. Its Sturdy Construction And Reliable Performance Make It An Essential Tool In Any Toolbox. 3. Easy To Use: With Its User-friendly Design, This Carpenters Marking Auxiliary Tool Allows For Easy And Hassle-free Use. Simply Position The Ruler On The Desired Angle, Tighten The Screws, And Start Working. The Clear Markings And Measurements Ensure Accurate And Efficient Work Every Time. 4. Durable And Long-lasting: Made From High-quality Materials, This L-type Fixed Tool Locator Is Built To Withstand Heavy-duty Use. It Is Resistant To Wear