1.It is made of high-quality cast iron. 2.The accuracy of vise (parallelism and squareness) is 0.025mm/100mm. 3.It is widely used on milling,planing and drilling machine tools in making some kinds of slots,hcles and faces. ModelWidth of jaw (mm)Height of jaw (mm)Max.opening (mm)G.W./N.W (kg)Packing volume (cm)Packing shapeQ12(OH)8080306026/25 4sets/carton48×29×13cartonQ12(OH)10010035759.5/928×16×13cartonQ12(OH)125125409515/1434.5×21×17cartonQ12(OH)1601605212031/3045×25×22cartonQ12(OH)2002006315043/4248×27×24.5carton