Construction grade leveling (CR) rods offer a rectangular shape with rounded back corners for better gripping Scale width graduated to fill the entire face of the rod, Measuring scale on the back side that allows for overall height readings Special molded stand-off ribs protect the scales from wear Made with strong fiberglass, which is waterproof and corrosion-resistant CR Rod series is non-conductive Perfect for laser detector mounting with no special brackets required Four section rod Collapsed length is 56.75 inches (1.44 m) Graduations in 10ths Length 16 ft Weighs 6.00 lb (2.72 kg)