Features • 45 Degree Reflection Design: Engineered for measurements, this prism features a single side 45 degree reflection with a 25.4mm effective diameter for enhanced accuracy • High-Quality Optical Glass: Crafted from premium optical glass, this prism significantly improves reflection capability, ensuring clear and bright readings for reliable surveying • Versatile Measurement Applications: Ideal for various environments, this prism can be effectively used in tunnels, roads, bridges, and buildings to ass distortion and displacement • Exceptional Compatibility: Designed to work seamlly with and other total stations, this prism offers strong compatibility for diverse surveying needs • ABS Construction: Made from robust ABS material, this prism is built to withstand challenging conditions, ensuring longevity and reliability in all surveying projects Features: 1、45 DEGREE REFLECTION: This survey prism is designed for single side 45 degree reflection, with an effective diameter of 25.4mm, and a constant of +2mm. 2、OPTICAL GLASS: This prism uses optical glass, which enhances reflection ability, with full texture, clear and bright, making the measurement more accurate. 3、WIDE APPLICATION: Total station prism can be installed in tunnels, roads, bridges, dams, buildings or some other fixed places or objects to measure distortion and displacement. 4、STRONG COMPATIBILITY: This 45 degree prism is suitable for and other different types of total stations, widely compatible. 5、LONG LASTING: The total station prism is made of ABS material, which is sturdy and firm, not easily be damaged, ensuring long lasting use. Specification: Item Type: Survey Prism Material: Optical Glass, ABS Constant: +2mm Effective Diameter: Approx. 25.4mm/1in Use: Used for total station engineering tunnel surveying Package List: 1 x Survey Prism Package List 1 x Survey Prism