1.double column,manual type 2.button type and ... band saw, bandsaws,metal cutting band saw,metal band sawing machines,cutting-off machines,cutter machines,metal cutting machines,double column band saws,dual column bandsaw, double housing band sawmetal band saw ... :1. Double-column structure.2. Hydraulic pincers clamping.3. Double oil cylinder control with stable feeding4. Possible for sawing small ...