Duratech Tribrach Adapter – Rotating Friction Top – 5/8″-11 Thread The Duratech Rotating Friction Top Tribrach Adapter allows smooth, controlled rotation of mounted instruments, making it ideal for alignment and layout tasks in surveying and construction applications. The friction-based design enables easy positioning without the need for locking mechanisms. Equipped with a standard 5/8″-11 thread , this adapter provides compatibility with a wide range of prisms, GNSS receivers, and other survey instruments while offering flexibility for quick directional adjustments. Key Features • Rotating friction top – smooth, controlled instrument alignment • 5/8″-11 thread – fits standard survey instruments and mounts • No locking mechanism – quick, easy repositioning • Durable construction for field reliability • Ideal for layout, alignment, and general surveying applications