The Fiberbilt by Case Design 12x42" Tank Tube Tripod Case (Black) is a heavy duty transit case made to ship tripods and light stands up to 42" long with a diameter up to 12". The case made from polyethylene with ridges, 1/2" foam lining top and bottom and double-wall smooth construction inside. It is able to withstand 7200 lbs per square foot pressure. The 515 series Tank Tube is carried by a spring-loaded steel rubber grip handle.