Stroke per jaw:2mm-30mm Gripping force:385N-29500N Model : GDT-304.GDT-306.GDT-308.GDT-310.GDT-312.GDT-316.GDT-320.GDT-330 Recom. work piece weight:2-142kg Robust T rail design Universal models, can be used in various dedicated machines,universal grippers.