supply of mechanical cum hydraulic jack screw lifting and traversing capacity 50 tonmechanical cum hydraulic jack screw lifting and traversing capacity 50 ton,mechanical cum hydraulic jack screw lifting and traversing capacity 50 ton. hydraulic special purpose screwed ram integral jack with safety lock nut. one no. hydraulic jack consisting o f following (a) 01 no. hydraulic jack integral pump with screwed ram & safety lock nut mounted on traversing base-type- sp-sr-50/400+vtb capacity-50 tonnes closed height without vtb-575mm closed h ight with vtb-720mm hydraulic lift-400mm total extd. hight without vtb 975mm total extd. hight with vtb 1120mm ram dia-100 mm body dia-198mm base size 240x300mm tested on 20% overload (b)01 no. tra versing base type vtb-50/145/300 capacity 50 tonnes hight 145mm trvel 300mm. make: vankos or similar. [ warranty period: 30 months after the date of delivery ] ]