Seco Fixed Tribrach Adapter – 5/8" x 11 The Seco 2010-00 Fixed Tribrach Adapter provides a stable, non-rotating connection between instruments and tribrachs for applications requiring consistent orientation. Designed for durability and precision, it ensures secure mounting for prisms, targets, and other survey accessories. Key Features • Fixed (non-rotating) design for stable instrument positioning • 5/8" x 11 thread for standard survey compatibility • Provides secure connection between tribrach and accessory • Durable construction for field use