Accuracy and Reliable Performance Designed with a precise 30 mm constant to minimize measurement errors and deliver millimeterlevel accuracy for professional surveying work. This ensures dependable readings in both routine and complex measurement tasks. K9 Optical Glass Lens Equipped with a quality K9 optical glass lens, carefully ground and polished for exceptional clarity and consistency. This precision construction helps achieve accurate results even over long distances or in challenging environments. Durable ABS Housing Built with robust ABS material, the housing provides resistance to weather, moisture, dust, and daily wear. This ensures the prism maintains performance in outdoor conditions and retains its quality over extended use. Versatile Application Range Compatible with a wide variety of total station surveying instruments. Ideal for use in tunnel construction, subway engineering, mining operations, and highway inspections. Widely applied in industries such as railroads, embankment monitoring, and steep slope stability surveying, making it a dependable choice for both field engineers and construction surveyors. Optimized for Professional Use Suitable for precise alignment and distance measurements in infrastructure projects. For example: 1. Monitoring tunnel alignment in underground construction projects where accuracy is critical. 2. Inspecting highway grades and slopes to ensure longterm safety and compliance. 3. Conducting stability surveys on steep slopes or embankments in railway construction to prevent structural issues. Specification Highlights Measurement constant: 30 mm Lens material: K9 optical glass Housing material: Weatherresistant ABS Compatibility: Total station surveying instruments This surveying prism combines measurement precision, durable construction, and broad application flexibility, making it a reliable tool for demanding professional environments.