The Save A Load SL-30 Hydraulic Cargo Bar is a versatile and durable solution for securing cargo in trailers. Available in a variety of colors, this lightweight bar features a heavy-duty coil spring and pressure limiting valve to hold position even when trailer walls flex. The internal pressure release valve prevents over cranking, minimizing potential for trailer or body wall damage. With an easy push-button release and corrosion-free design, this hydraulic cargo bar is practical and reliable for a wide range of applications, fitting trailers 84-114 inches wide. Tested over 30,000 times, it offers peace of mind and security for your cargo.