MS Round Bars of 32.00,36.00 & 38.00 mm are used to fabricate Adjustable Base Jack with 4 TPI Acme/Square threads. The Base Plate is fabricated out of 150 X 150 X 5 mm MS Flat & malleable cast iron Cup Type Light/Double Handle Heavy Duty Nuts.Sizes available are 350,450,550,600 mm of Bar Length.