The Sola GR 300 protractor is a professional angle measuring tool designed for precision applications in angle measurement. This robust measuring instrument features a diameter of 300 mm with a measuring range of 200 mm, providing exceptional accuracy for technical drawing, engineering, and construction tasks. Made from high-quality transparent acrylic material, the protractor ensures excellent visibility while maintaining dimensional stability. The clear scale divisions are precisely laser-engraved for lasting readability, with both degree scales ranging from 0 to 360 degrees in 1-degree increments, along with additional vernier scales for enhanced measurement accuracy. The center of the protractor contains an exactly positioned pivot point for precise angle transfer and duplication. The tool features a reinforced edge construction that ensures long-term durability and resistance to wear in demanding workshop environments. The matte surface reduces glare and reflection, improving readability under various lighting conditions. With its large diameter and comprehensive scale system, this protractor is suitable for measuring both internal and external angles on various materials, including wood, metal, and plastic. The balanced weight distribution and smooth edge profile ensure comfortable handling during extended use. Each protractor undergoes individual quality control to verify measurement accuracy and surface quality before packaging. The Sola GR 300 protractor meets industrial standards for precision measuring instruments and is compatible with standard technical drawing equipment and measurement systems.