Thumb Release Carbon fiber stand with three telescopic struts. ^^ Tipod surveying Fits 1 to 1.25 -inch diameter poles from the side or 1.5 -inch poles through the top ^^ With carry bag and inner box Surveying Bipod Quick and easy set up Easy to carry ^^ Thumb Release Tripod for Surveying Poles Tipod Legs extend up to 6 feet and collapses to 3.5 feet ^^ Surveying Bipod Open thumb screw head, Durable Aluminum frame ^^ Light Weight Carbon Fiber Thumb Release Tripod for Gps poles and Prism Poles