Seco Tri-Max Standard Dual Clamp Instrument Tripod The Seco 90553 Tri-Max® is a survey-grade instrument tripod engineered for maximum stability and certified accuracy , making it ideal for high-precision measurement applications. Its advanced design meets ISO 12858-2-H standards , ensuring consistent performance both out of the box and after years of field use. Built with fiberglass legs and durable black hardware , the Tri-Max features a 6-5/8" flat head with a large 2-5/8" center hole for easy setup over a point. An internal leg retention system helps prevent kick-out on slick surfaces, while the wide footbed with replaceable points ensures solid footing across varied terrain. The dual clamp locking system provides enhanced rigidity and holding strength, and the tripod supports instruments up to 65 lb (30 kg) . Key Features • ISO 12858-2-H certified accuracy for survey-grade performance • Fiberglass legs for stability and vibration resistance • 6-5/8" flat head with 2-5/8" center hole for easy setup over a point • Dual clamp locking system for maximum stability • Internal leg retention system for added safety on slick surfaces • Supports up to 65 lb (30 kg) Ideal For This tripod is ideal for supporting robotic and servo-driven total stations, 3D laser scanners, and construction lasers requiring maximum stability and precision. It is well-suited for professionals in surveying, geospatial, engineering, and construction , particularly in applications where accuracy, repeatability, and vibration control are critical.