1.Model:RN-0.5T,RN-1T,RN-2T,RN-3T,RN-5T,RN-10T,RN-15T,RN-20T,RN-30T,RN-40T,RN-50T,RN-100T
2.Function: precisely controlled lifting,lowering,pushing,pulling and rolling movements
3.Self locking trapezoidal screw,heavy duty,precision accuracy,low efficiency,use infrequently
4.Arrangement: single units,in pairs or multiple jacks systems,fully synchronization
5.Power Source: electrically,manually or both
