TPI mini stakeout prism prism pole is constructed of sturdy aluminum and coated with red, electrostatic powder paint. The mini pole extends to 2.4' and collapsed is only 1.5' in height making it great for high accuracy stakeout. The mini thumb release bipod allows the user to simply clamp the pole into place without lifting and threading it through the bipod head! This set-up is ideal for all robotic total stations or GPS systems and a must have for layouts. 5/8 X 11 thread, graduated in feet and metric.