... tons Max dynamic load 26 tons Self-lock trapezoidal screws jack (lifting) detailed information:1.Model:RN-0.5T, ... single units,in pairs or multiple jacks systems,fully synchronization5.Power Source: electrically,manually or both6.Did Projects:Sluice gate ... in hydroelectric dam,Powered straighteners,Precision levelers,Solar tracking jack systems,Large satellite dish antenna movements,Slitting line,Roll ...