supply of mechanical cum hydraulic jack , 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 withscrewed ram & safety lock nut mounted on traversing base-type- sp-sr-50/400+vtbcapacity-50 tonnes closed height without vtb-575mm closed hight with vtb-720mmhydraulic lift-400mm total extd. hight without vtb 975mm total extd. hight wit h vtb1120mm ram dia-100 mm body dia-198mm base size 240x300mm tested on 20% overload (b)01no. tr aversing base type vtb-50/145/300 capacity 50 tonnes hight 145mm trvel 300mm. make:vankos, hy-tech, pascal hydraulics. [ warranty period: 18 months after the date of delivery ] ]