used grob vertical band saw with pneumatic table feed 4V- 18 used grob vertical band saw with pneumatic table feed 4V- 18 used grob vertical band saw with pneumatic table feed 4V- 18 used grob vertical band saw with pneumatic table feed 4V- 18 used grob vertical band saw with pneumatic table feed 4V- 18 used grob vertical band saw with pneumatic table feed 4V- 18 used grob vertical band saw with pneumatic table feed 4V- 18 used grob vertical band saw with pneumatic table feed 4V- 18