hydraulic cylinder, jack,hydraulic cylinder hydraulic cylinder--superthin jack hydraulic cylinder, jack,hydraulic cylinderhydraulic cylinder--superthin jack1.with the low height,it is fit for ... main shaft has the automatic shortening function.4.all RMC series jack require a solid lifting surface for correct support.using ... .74196121265×2401951753/8”-1937.5 RMC super thin single hydraulic cylinder,jack