Seco 62 mm Standard Prism Assembly – Flo Orange/Black Target The Seco 6402-10-FOB Standard Prism Assembly is a durable, field-proven solution for surveying, layout, and control applications. Featuring a 62 mm copper-coated prism in a sealed canister , it delivers reliable accuracy and consistent performance in a wide range of jobsite conditions. The 5.5" x 7" flo orange and black target provides high visibility for efficient sighting and alignment. Designed for versatility, the prism can be configured with a 0 or -30 mm prism constant to match standard survey workflows. The assembly includes a tilting axis with a 115 mm height , allowing flexible positioning in the field. A universal M20 thread ensures compatibility with standard prism holders, poles, and mounting systems. Key Features • 62 mm copper-coated prism for reliable measurement performance • 0 / -30 mm prism constant for standard configurations • 5.5" x 7" flo orange/black target for high visibility • Sealed, waterproof canister design • M20 thread for universal mounting compatibility • Tilting axis (115 mm height) for flexible positioning • Durable construction for surveying and layout applications