Screw Jacks feature: 1.Static loading: 0.5T ~100T (per set) 2.Dynamic loading: 0.1T ~ 26 T (per set) Screw Jacks description ... :1.Model: RN-0.5T,1T,2T,3T,5T,10T,15T,20T,30T,40T ... ton (per set) Dynamic Loading: 0.1 ton to 26 ton (per set)7.Accessory: motor,hand wheel,reducers,rubber Bellows,steel ...