SitePro Heavy-Duty Column Clamp The SitePro Heavy-Duty Column Clamp is a rugged mounting solution designed to securely position total stations, GNSS receivers, and construction lasers directly onto structural columns. Ideal for tight or obstructed jobsite environments , it eliminates the need for a tripod while providing a stable, elevated platform for accurate measurements. Constructed from durable aluminum with stainless steel hardware , the clamp features an adjustable vertical column with rotational positioning for precise alignment. A heavy-duty ratchet strap system ensures secure attachment to both round and square columns, while the standard 5/8-11 mounting thread provides broad compatibility with surveying and construction instruments. Key Features: Heavy-duty design for mounting on structural columns Adjustable column with rotation for precise positioning 5/8-11 mounting thread for instrument compatibility Ratchet strap system for secure attachment Aluminum construction with stainless hardware for durability Ideal for tripod-free setups in confined spaces