VIEW IMAGE U head Screw Jack U head Screw Jack Item No: SG-USJ-05 Thread 4TPI Finish Paint/EZP/Hot Dip Galvanized Tube OD (mm) 32, 34, 38 mm Total Length (mm) 400, 500, 600, 700, 800 Plate Size 150*100*75*5,115*100*50*5mm Jack Nut Casted and Forged