56 collapsed, 1-3/4 wide, 7/8 thick. It is constructed of light and durable aluminum alloy consitsing of 4 sections each with a reliable polycarbonate button lock. Graduations are anodized with special weather resistant and corrosion resistant inks to withstand the harshest work environments.Tight tolerances on the extruded aluminum sections allow for smotoh extension and prevents any sloppiness or clattering. 16 aluminum laser grade rod automatic auto level ftin tripods & grade rods. A convenient measuring scale exists on the backside permit users to read height of rod at eye level.