supply of jacks , supply of jacks , hydarulic bottle jack 50mt heavy duty hydraulic bottle jack capacity 50 mt minimum height approx. 200mm,stroke approx. 150mm application: for heavy duty work on machine shops for the activitieslike like heavy equipment setting on machine bed and jack will be under partial load during machining of the equipment. minimum warrantee: 6 months , mechanical screw jack 40 mt capacity heavy duty mechanical screw jack capacity 40 mt minimum height approx. 200mm,stroke approx. 150mm , material: body & bottom plate # ms & screw # en8d or equivalent application: for heavy duty work on machine shops for the activitieslike heavy equipment setting on machine bed and jack will be under load during machining of equipment. minimum warrantee: 6 months