Seco 25 mm Copper-Coated Prism The Seco 6020-01 25 mm Copper-Coated Prism is a compact, reliable solution for short-range surveying and layout applications. Housed in a protective canister, it is designed to deliver consistent performance and durability in everyday field use. Its copper-coated surface enhances reflectivity for accurate distance measurements, while the compact 25 mm size makes it ideal for confined spaces, control points, and monitoring tasks. The M20 x 2 thread ensures compatibility with a wide range of prism holders and mounting systems. Key Features • 25 mm copper-coated prism for reliable reflectivity • Protective canister housing for durability • M20 x 2 thread for standard prism mounting compatibility • Suitable for surveying, layout, and monitoring tasks