360 Degree Mini Prism Silver Coated A compact, 360 degree mini surveying prism designed as a direct replacement for total station applications. Built for straightforward mounting and reliable reflective performance in field surveying and layout tasks. Key benefits Precise reference value: Reflective prism constant 30.0 mm for accurate distance measurements and predictable results. ATR compatibility: Works with ATR 350M systems for automatic target recognition where supported. Easy mounting and versatile connection: One side with 1/4x20 male thread and the opposite side with 1/4x20 female thread for direct attachment to tripods, adapters, or stacking with other accessories. Durable coated surface: Silver coated reflective finish supplied for consistent reflection. Copper coated option also available if an alternate coating is needed. Full 360 degree visibility: Symmetric prism design provides fullangle reflectivity for rapid acquisition from any direction. Technical attributes Compatibility: Designed to be compatible with Total Station GRZ101 models for use as a replacement mini prism. ATR model: 350M Reflective prism constant: 30.0 mm Threads: 1/4x20 male on one side, 1/4x20 female on the other side Coating: Silver coated (this listing); copper coated option available Practical applications Land surveying: Use as a replacement target for routine distance and angle surveys where compact 360 degree reflectivity is required. Construction layout: Mount on poles or adapters to provide a stable, easy to acquire target for site layout, staking, and alignment. Equipment maintenance and backup: Keep as a spare or service replacement for total stations compatible with GRZ101 to minimize downtime in field operations. Why choose this prism Fits directly into existing 1/4x20 mounting workflows, reducing the need for specialized adapters. Clear specification of prism constant and ATR model supports consistent measurement setup and compatibility checks. Simple, compact design that integrates into common surveying and construction toolkits. Note: Confirm compatibility with your specific total station model and setup prior to installation.