Thumb-release grade rod bipod features a special head to hold most popular rectangular rods. The head will hold rods with widths between 1.5 and 2.5 inches. The bipod allows you to clamp the rod into place without lifting and threading it through the bipod head, then you can set up a free-standing grade rod, barcode rod or direct elevation rod. Thumb release lock design allows locking tensions to be adjusted without disassembling the legs. Aluminum construction, electrostatically powder-painted finish. Legs extend to 72" for use in rugged, uneven terrain and collapses to 42" for easy transport and storage. Carrying case included. Grade rod sold seperately.