[Precision Measurement]Designed for total station surveying, our mini prism provides accurate readings in tunnel and metro applications. [Durable Construction]Made from optical glass and ABS, it withstands tough conditions in mines and highways. [Portable Design]Lightweight and compact, ideal for surveyors working in confined spaces or remote areas. [Versatile Applications]Perfect for various testing environments like metro, tunnels, and highways, ensuring reliability and precision. [Complete Accessory Kit]Includes a cover and storage bag for protection and easy transport, making it ready for any surveying project., Manufacturer: Badafaci