TPI Twist Lock mini prism pole extends to 2.3 ft. (0.70 m) and collapses to 1.5 ft. (0.45 m).  This pole is great for construction stakeout and features replaceable steel point, adjustable tip and quick lock. This pole is graduated in feet and has 5/8 X 11 mounting thread which is compatible with most prisms. Carrying case included.