... and back twist of cat5e, cat6 and cat7(Stranding Machine/Buncher) Twisting Machine:apply to the pair twist and back twist ... of cat5e, cat6 and cat7(Stranding Machine/Buncher)Compare with traditional pair twist buncher with back-twist machine, this machine has ... -up 1 set4. PLC control system 1 set Triple Twist Buncher/Twisting Machine/Stranding Machine