Hollow Ram( Centre Hole) Hydraulic Jack, 30 Tan Capacity X 250Mm Stroke, Double Acting, S Pring Return, Plain Ram, Threaded Saddle With Extension Screw (Jack Is Hard Chrome Plated) W/P-700 Bar. Closed Height:-480, Cylinder Od:-115 Mm, Ram Dia:- 60-70 Mm, Center Hole:-33.3 Mm & Working Pressure :-700 Bar. [ Warranty Period: 30 Months After The Date Of Delivery ] ]