To enable rolling at many kinds of finished sizes of rolled products having an equal starting section of a roll stand which is precedingly provided on one hand and to enable finish rolling of a material to be rolled which is drawn out of an intermediate rolling line under the maintenance of the severe final tolerance of the cross-sectional on the other hand.

In the multi-roll stand type rough rolling line, multi-roll stand type intermediate rolling line and small shape rolling line or the wire rod rolling line which is respectively provided with one common driving mechanism and has the finishing block 7 which is provided with six, eight or ten roll stands 22, at least the last both roll stands 23, 24 provided with the rolls of the finishing block are respectively provided with one individual driving unit 9, 10. The driving shafts 13, 13' of the last both stands 23, 24 which can be engaged and disengaged are crossed with the main driving shafts 27, 28 of the roll stand 22 engaged.