FREE SHIPPING WHEN YOU ORDER THIS ITEM QUICK SHIP DIRECT FROM MANUFACTURER 12,000 pound lifting capacity Three different ramp lengths to choose Runways include rail-kit for optional accessories Electric/hydraulic power system Single hydraulic cylinder mounted underneath runway Internal Anti-Sway slider blocks in each column Features heavy-duty ½" aircraft cable Oversized self-lubricating cable rollers Rugged 1-3/8" roller axles Multi-position safety locks in each column Ramps feature non-skid surface Push-button safety release Runways adjust for different tread widths Optional drive-thru ramps available Optional 6000 pound capacity rolling jacks available (Model RJ-6) ETL Approved