The new TPI fiberglass light weight, most user-friendly, non-conductive prism pole on the market to date. The inner and outer poles are constructed of lightweight fiberglass. The inner is dual graduated in feet and metric. The twist locking system eliminates elevation errors due to malfunctioning locks and can be easily adjusted with an allen wrench. Features 40-minute adjustable vial, rubber coated twist knob and adjustable 5/8x11 tip. The prism pole is graduated in both 10th and metric. This prism pole will work with all 5/8X11 thread prisms and accessories. The pole extends to 8.50 feet (2.59m). Weighs 2 lb (0.90kg). Carrying case included.