1.Model: RN-0.5T,1T,2T,3T,5T,10T,15T,20T,30T,40T,50T,100T 2. Elevating,Lowering,Pulling,Pressing,Pushing,Rolling 3. Positioning precision, safely self-locking,Heavy duty,Uniform lifting speed and fully synchronized 4.Static loading: 0.5T ~100T (per set) 5.Dynamic loading: 0.1T ~ 26 T (per set). Wooden box.