Multi-Functional Precision Ruler Block Combines ruler stops, fences, scribers, and locators into one compact tool for accurate layout and measurement. Compatible with Standard Rulers Easily attaches to most steel or aluminum rulers, converting them into precision measuring and marking systems. for Line Scribing and Edge Reference for marking parallel lines, locating drill points, and maintaining consistent offsets in fabrication tasks. Aluminum Alloy Construction Made from anodized aluminum for lightweight strength, corrosion resistance, and long-term durability. Essential for Woodworking and Metalworking Great for cabinet makers, machinists, and DIYers who need repeatable accuracy in layout and setup., Manufacturer: LLOOPK