Grinding & Polishing Machines for Flat Parts Model : ZX 150-4 Square Pipe Polishing Machine Heavy Duty Four Head Grinding & Buffing Machine for Flat Bars / Square & Hex Bars with Dust Collector Enclosure & Optional Dust Collector. QUICK ENQUIRY Product NameModel : OD 25Model : OD 25-2Model : OD 50Model : OD 250-2Model : OD 50-3Model : OD 50-4Model : ODF 150-2Model : ZX 150Model : ZX 300-2Model : ZX 150-4Model : ZXF 150Model : ZXF 150-2Model : ZXB 150-5Model : ZXB 200-9Model : 99Model : ODF 999-2Model : ZXA 150-2