AdirPro 13-foot Fiberglass Rectangular Leveling Rods - 10ths, 4 Section Telescopic with Carrying Case Graduates in Feet/10ths, Top section has a 5/8 x 11 female thread to attach a mini prism. Non-Conductive, Rectangular Shape, Scale on Back Allowing Overall Height Reading Three Adjustable Sections, Secure Locking Buttons, Perfect for Laser Detector Wear-Resistant Scales, Water-Resistant and Corrosion-Resistant 1-Year Warranty