It can be widely used for milling and drilling machine to process all kinds of surface, slots and holes. Q13(QB) Series Precision Machine VicesIt features as follows: 1 It is adopted the high quality cast iron. 2 The parallelism and verticality of two jaws are less than 0.025mm/100mm.3 It can be widely used for milling and drilling machine to process all kinds of surface, slots and holes. ...