... back twist+pair twist machine: 1> vertical box type; 2> accessory equipment; Vertical double tray back twist+pair twist machineSPECIFICATION TypeVertical box ... range 200g,stable and adjustable Back-twist tension stand Vertical double head,tension wheel 120mm,3+4ditch,inlet linear ... tension wire pay-off Machine dimension L×W×H(2100×1300×2000) Total Weight Approx2200kg vertical double-tray back twist+ ...