High Speed Back-twisting Machine 1,For CAT5E,CAT6,CAT7 2,Motorized take-up with constant tension 3,Accurrate twist distance 1 ... producing of data cable, for core wire pair twisting with back twist equipment,such as CAT5E,CAT6,CAT7 etc.2,Specifications ... ditch,pecision potentionmeterPay-off deviceAccumulative type tension sensor stand,inked with pay-off motor,ensure constant tension in pay-offMachine ...